Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1 | # This set of tests is for features that are compatible with all versions of |
| 2 | # Perl >= 5.10, in non-UTF mode. It should run clean for the 8-bit, 16-bit, and |
Elliott Hughes | 2dbd7d2 | 2020-06-03 14:32:37 -0700 | [diff] [blame] | 3 | # 32-bit PCRE libraries, and also using the perltest.sh script. |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 4 | |
| 5 | # WARNING: Use only / as the pattern delimiter. Although pcre2test supports |
| 6 | # a number of delimiters, all those other than / give problems with the |
| 7 | # perltest.sh script. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 8 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 9 | #forbid_utf |
| 10 | #newline_default lf any anycrlf |
| 11 | #perltest |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 12 | |
| 13 | /the quick brown fox/ |
| 14 | the quick brown fox |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 15 | What do you know about the quick brown fox? |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 16 | \= Expect no match |
| 17 | The quick brown FOX |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 18 | What do you know about THE QUICK BROWN FOX? |
| 19 | |
| 20 | /The quick brown fox/i |
| 21 | the quick brown fox |
| 22 | The quick brown FOX |
| 23 | What do you know about the quick brown fox? |
| 24 | What do you know about THE QUICK BROWN FOX? |
| 25 | |
| 26 | /abcd\t\n\r\f\a\e\071\x3b\$\\\?caxyz/ |
| 27 | abcd\t\n\r\f\a\e9;\$\\?caxyz |
| 28 | |
| 29 | /a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz/ |
| 30 | abxyzpqrrrabbxyyyypqAzz |
| 31 | abxyzpqrrrabbxyyyypqAzz |
| 32 | aabxyzpqrrrabbxyyyypqAzz |
| 33 | aaabxyzpqrrrabbxyyyypqAzz |
| 34 | aaaabxyzpqrrrabbxyyyypqAzz |
| 35 | abcxyzpqrrrabbxyyyypqAzz |
| 36 | aabcxyzpqrrrabbxyyyypqAzz |
| 37 | aaabcxyzpqrrrabbxyyyypAzz |
| 38 | aaabcxyzpqrrrabbxyyyypqAzz |
| 39 | aaabcxyzpqrrrabbxyyyypqqAzz |
| 40 | aaabcxyzpqrrrabbxyyyypqqqAzz |
| 41 | aaabcxyzpqrrrabbxyyyypqqqqAzz |
| 42 | aaabcxyzpqrrrabbxyyyypqqqqqAzz |
| 43 | aaabcxyzpqrrrabbxyyyypqqqqqqAzz |
| 44 | aaaabcxyzpqrrrabbxyyyypqAzz |
| 45 | abxyzzpqrrrabbxyyyypqAzz |
| 46 | aabxyzzzpqrrrabbxyyyypqAzz |
| 47 | aaabxyzzzzpqrrrabbxyyyypqAzz |
| 48 | aaaabxyzzzzpqrrrabbxyyyypqAzz |
| 49 | abcxyzzpqrrrabbxyyyypqAzz |
| 50 | aabcxyzzzpqrrrabbxyyyypqAzz |
| 51 | aaabcxyzzzzpqrrrabbxyyyypqAzz |
| 52 | aaaabcxyzzzzpqrrrabbxyyyypqAzz |
| 53 | aaaabcxyzzzzpqrrrabbbxyyyypqAzz |
| 54 | aaaabcxyzzzzpqrrrabbbxyyyyypqAzz |
| 55 | aaabcxyzpqrrrabbxyyyypABzz |
| 56 | aaabcxyzpqrrrabbxyyyypABBzz |
| 57 | >>>aaabxyzpqrrrabbxyyyypqAzz |
| 58 | >aaaabxyzpqrrrabbxyyyypqAzz |
| 59 | >>>>abcxyzpqrrrabbxyyyypqAzz |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 60 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 61 | abxyzpqrrabbxyyyypqAzz |
| 62 | abxyzpqrrrrabbxyyyypqAzz |
| 63 | abxyzpqrrrabxyyyypqAzz |
| 64 | aaaabcxyzzzzpqrrrabbbxyyyyyypqAzz |
| 65 | aaaabcxyzzzzpqrrrabbbxyyypqAzz |
| 66 | aaabcxyzpqrrrabbxyyyypqqqqqqqAzz |
| 67 | |
| 68 | /^(abc){1,2}zz/ |
| 69 | abczz |
| 70 | abcabczz |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 71 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 72 | zz |
| 73 | abcabcabczz |
| 74 | >>abczz |
| 75 | |
| 76 | /^(b+?|a){1,2}?c/ |
| 77 | bc |
| 78 | bbc |
| 79 | bbbc |
| 80 | bac |
| 81 | bbac |
| 82 | aac |
| 83 | abbbbbbbbbbbc |
| 84 | bbbbbbbbbbbac |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 85 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 86 | aaac |
| 87 | abbbbbbbbbbbac |
| 88 | |
| 89 | /^(b+|a){1,2}c/ |
| 90 | bc |
| 91 | bbc |
| 92 | bbbc |
| 93 | bac |
| 94 | bbac |
| 95 | aac |
| 96 | abbbbbbbbbbbc |
| 97 | bbbbbbbbbbbac |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 98 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 99 | aaac |
| 100 | abbbbbbbbbbbac |
| 101 | |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 102 | /^(ba|b*){1,2}?bc/ |
| 103 | babc |
| 104 | bbabc |
| 105 | bababc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 106 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 107 | bababbc |
| 108 | babababc |
| 109 | |
| 110 | /^\ca\cA\c[;\c:/ |
| 111 | \x01\x01\e;z |
| 112 | |
| 113 | /^[ab\]cde]/ |
| 114 | athing |
| 115 | bthing |
| 116 | ]thing |
| 117 | cthing |
| 118 | dthing |
| 119 | ething |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 120 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 121 | fthing |
| 122 | [thing |
| 123 | \\thing |
| 124 | |
| 125 | /^[]cde]/ |
| 126 | ]thing |
| 127 | cthing |
| 128 | dthing |
| 129 | ething |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 130 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 131 | athing |
| 132 | fthing |
| 133 | |
| 134 | /^[^ab\]cde]/ |
| 135 | fthing |
| 136 | [thing |
| 137 | \\thing |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 138 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 139 | athing |
| 140 | bthing |
| 141 | ]thing |
| 142 | cthing |
| 143 | dthing |
| 144 | ething |
| 145 | |
| 146 | /^[^]cde]/ |
| 147 | athing |
| 148 | fthing |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 149 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 150 | ]thing |
| 151 | cthing |
| 152 | dthing |
| 153 | ething |
| 154 | |
| 155 | /^\/ |
| 156 | |
| 157 | |
| 158 | /^ÿ/ |
| 159 | ÿ |
| 160 | |
| 161 | /^[0-9]+$/ |
| 162 | 0 |
| 163 | 1 |
| 164 | 2 |
| 165 | 3 |
| 166 | 4 |
| 167 | 5 |
| 168 | 6 |
| 169 | 7 |
| 170 | 8 |
| 171 | 9 |
| 172 | 10 |
| 173 | 100 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 174 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 175 | abc |
| 176 | |
| 177 | /^.*nter/ |
| 178 | enter |
| 179 | inter |
| 180 | uponter |
| 181 | |
| 182 | /^xxx[0-9]+$/ |
| 183 | xxx0 |
| 184 | xxx1234 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 185 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 186 | xxx |
| 187 | |
| 188 | /^.+[0-9][0-9][0-9]$/ |
| 189 | x123 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 190 | x1234 |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 191 | xx123 |
| 192 | 123456 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 193 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 194 | 123 |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 195 | |
| 196 | /^.+?[0-9][0-9][0-9]$/ |
| 197 | x123 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 198 | x1234 |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 199 | xx123 |
| 200 | 123456 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 201 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 202 | 123 |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 203 | |
| 204 | /^([^!]+)!(.+)=apquxz\.ixr\.zzz\.ac\.uk$/ |
| 205 | abc!pqr=apquxz.ixr.zzz.ac.uk |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 206 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 207 | !pqr=apquxz.ixr.zzz.ac.uk |
| 208 | abc!=apquxz.ixr.zzz.ac.uk |
| 209 | abc!pqr=apquxz:ixr.zzz.ac.uk |
| 210 | abc!pqr=apquxz.ixr.zzz.ac.ukk |
| 211 | |
| 212 | /:/ |
| 213 | Well, we need a colon: somewhere |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 214 | \= Expect no match |
| 215 | Fail without a colon |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 216 | |
| 217 | /([\da-f:]+)$/i |
| 218 | 0abc |
| 219 | abc |
| 220 | fed |
| 221 | E |
| 222 | :: |
| 223 | 5f03:12C0::932e |
| 224 | fed def |
| 225 | Any old stuff |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 226 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 227 | 0zzz |
| 228 | gzzz |
| 229 | fed\x20 |
| 230 | Any old rubbish |
| 231 | |
| 232 | /^.*\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/ |
| 233 | .1.2.3 |
| 234 | A.12.123.0 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 235 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 236 | .1.2.3333 |
| 237 | 1.2.3 |
| 238 | 1234.2.3 |
| 239 | |
| 240 | /^(\d+)\s+IN\s+SOA\s+(\S+)\s+(\S+)\s*\(\s*$/ |
| 241 | 1 IN SOA non-sp1 non-sp2( |
| 242 | 1 IN SOA non-sp1 non-sp2 ( |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 243 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 244 | 1IN SOA non-sp1 non-sp2( |
| 245 | |
| 246 | /^[a-zA-Z\d][a-zA-Z\d\-]*(\.[a-zA-Z\d][a-zA-z\d\-]*)*\.$/ |
| 247 | a. |
| 248 | Z. |
| 249 | 2. |
| 250 | ab-c.pq-r. |
| 251 | sxk.zzz.ac.uk. |
| 252 | x-.y-. |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 253 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 254 | -abc.peq. |
| 255 | |
| 256 | /^\*\.[a-z]([a-z\-\d]*[a-z\d]+)?(\.[a-z]([a-z\-\d]*[a-z\d]+)?)*$/ |
| 257 | *.a |
| 258 | *.b0-a |
| 259 | *.c3-b.c |
| 260 | *.c-a.b-c |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 261 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 262 | *.0 |
| 263 | *.a- |
| 264 | *.a-b.c- |
| 265 | *.c-a.0-c |
| 266 | |
| 267 | /^(?=ab(de))(abd)(e)/ |
| 268 | abde |
| 269 | |
| 270 | /^(?!(ab)de|x)(abd)(f)/ |
| 271 | abdf |
| 272 | |
| 273 | /^(?=(ab(cd)))(ab)/ |
| 274 | abcd |
| 275 | |
| 276 | /^[\da-f](\.[\da-f])*$/i |
| 277 | a.b.c.d |
| 278 | A.B.C.D |
| 279 | a.b.c.1.2.3.C |
| 280 | |
| 281 | /^\".*\"\s*(;.*)?$/ |
| 282 | \"1234\" |
| 283 | \"abcd\" ; |
| 284 | \"\" ; rhubarb |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 285 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 286 | \"1234\" : things |
| 287 | |
| 288 | /^$/ |
| 289 | \ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 290 | \= Expect no match |
| 291 | A non-empty line |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 292 | |
| 293 | / ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/x |
| 294 | ab c |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 295 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 296 | abc |
| 297 | ab cde |
| 298 | |
| 299 | /(?x) ^ a (?# begins with a) b\sc (?# then b c) $ (?# then end)/ |
| 300 | ab c |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 301 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 302 | abc |
| 303 | ab cde |
| 304 | |
| 305 | /^ a\ b[c ]d $/x |
| 306 | a bcd |
| 307 | a b d |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 308 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 309 | abcd |
| 310 | ab d |
| 311 | |
| 312 | /^(a(b(c)))(d(e(f)))(h(i(j)))(k(l(m)))$/ |
| 313 | abcdefhijklm |
| 314 | |
| 315 | /^(?:a(b(c)))(?:d(e(f)))(?:h(i(j)))(?:k(l(m)))$/ |
| 316 | abcdefhijklm |
| 317 | |
| 318 | /^[\w][\W][\s][\S][\d][\D][\b][\n][\c]][\022]/ |
| 319 | a+ Z0+\x08\n\x1d\x12 |
| 320 | |
| 321 | /^[.^$|()*+?{,}]+/ |
| 322 | .^\$(*+)|{?,?} |
| 323 | |
| 324 | /^a*\w/ |
| 325 | z |
| 326 | az |
| 327 | aaaz |
| 328 | a |
| 329 | aa |
| 330 | aaaa |
| 331 | a+ |
| 332 | aa+ |
| 333 | |
| 334 | /^a*?\w/ |
| 335 | z |
| 336 | az |
| 337 | aaaz |
| 338 | a |
| 339 | aa |
| 340 | aaaa |
| 341 | a+ |
| 342 | aa+ |
| 343 | |
| 344 | /^a+\w/ |
| 345 | az |
| 346 | aaaz |
| 347 | aa |
| 348 | aaaa |
| 349 | aa+ |
| 350 | |
| 351 | /^a+?\w/ |
| 352 | az |
| 353 | aaaz |
| 354 | aa |
| 355 | aaaa |
| 356 | aa+ |
| 357 | |
| 358 | /^\d{8}\w{2,}/ |
| 359 | 1234567890 |
| 360 | 12345678ab |
| 361 | 12345678__ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 362 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 363 | 1234567 |
| 364 | |
| 365 | /^[aeiou\d]{4,5}$/ |
| 366 | uoie |
| 367 | 1234 |
| 368 | 12345 |
| 369 | aaaaa |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 370 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 371 | 123456 |
| 372 | |
| 373 | /^[aeiou\d]{4,5}?/ |
| 374 | uoie |
| 375 | 1234 |
| 376 | 12345 |
| 377 | aaaaa |
| 378 | 123456 |
| 379 | |
| 380 | /\A(abc|def)=(\1){2,3}\Z/ |
| 381 | abc=abcabc |
| 382 | def=defdefdef |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 383 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 384 | abc=defdef |
| 385 | |
| 386 | /^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\11*(\3\4)\1(?#)2$/ |
| 387 | abcdefghijkcda2 |
| 388 | abcdefghijkkkkcda2 |
| 389 | |
| 390 | /(cat(a(ract|tonic)|erpillar)) \1()2(3)/ |
| 391 | cataract cataract23 |
| 392 | catatonic catatonic23 |
| 393 | caterpillar caterpillar23 |
| 394 | |
| 395 | |
| 396 | /^From +([^ ]+) +[a-zA-Z][a-zA-Z][a-zA-Z] +[a-zA-Z][a-zA-Z][a-zA-Z] +[0-9]?[0-9] +[0-9][0-9]:[0-9][0-9]/ |
| 397 | From abcd Mon Sep 01 12:33:02 1997 |
| 398 | |
| 399 | /^From\s+\S+\s+([a-zA-Z]{3}\s+){2}\d{1,2}\s+\d\d:\d\d/ |
| 400 | From abcd Mon Sep 01 12:33:02 1997 |
| 401 | From abcd Mon Sep 1 12:33:02 1997 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 402 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 403 | From abcd Sep 01 12:33:02 1997 |
| 404 | |
| 405 | /^12.34/s |
| 406 | 12\n34 |
| 407 | 12\r34 |
| 408 | |
| 409 | /\w+(?=\t)/ |
| 410 | the quick brown\t fox |
| 411 | |
| 412 | /foo(?!bar)(.*)/ |
| 413 | foobar is foolish see? |
| 414 | |
| 415 | /(?:(?!foo)...|^.{0,2})bar(.*)/ |
| 416 | foobar crowbar etc |
| 417 | barrel |
| 418 | 2barrel |
| 419 | A barrel |
| 420 | |
| 421 | /^(\D*)(?=\d)(?!123)/ |
| 422 | abc456 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 423 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 424 | abc123 |
| 425 | |
| 426 | /^1234(?# test newlines |
| 427 | inside)/ |
| 428 | 1234 |
| 429 | |
| 430 | /^1234 #comment in extended re |
| 431 | /x |
| 432 | 1234 |
| 433 | |
| 434 | /#rhubarb |
| 435 | abcd/x |
| 436 | abcd |
| 437 | |
| 438 | /^abcd#rhubarb/x |
| 439 | abcd |
| 440 | |
| 441 | /^(a)\1{2,3}(.)/ |
| 442 | aaab |
| 443 | aaaab |
| 444 | aaaaab |
| 445 | aaaaaab |
| 446 | |
| 447 | /(?!^)abc/ |
| 448 | the abc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 449 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 450 | abc |
| 451 | |
| 452 | /(?=^)abc/ |
| 453 | abc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 454 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 455 | the abc |
| 456 | |
| 457 | /^[ab]{1,3}(ab*|b)/ |
| 458 | aabbbbb |
| 459 | |
| 460 | /^[ab]{1,3}?(ab*|b)/ |
| 461 | aabbbbb |
| 462 | |
| 463 | /^[ab]{1,3}?(ab*?|b)/ |
| 464 | aabbbbb |
| 465 | |
| 466 | /^[ab]{1,3}(ab*?|b)/ |
| 467 | aabbbbb |
| 468 | |
| 469 | / (?: [\040\t] | \( |
| 470 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 471 | \) )* # optional leading comment |
| 472 | (?: (?: |
| 473 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 474 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 475 | | |
| 476 | " (?: # opening quote... |
| 477 | [^\\\x80-\xff\n\015"] # Anything except backslash and quote |
| 478 | | # or |
| 479 | \\ [^\x80-\xff] # Escaped something (something != CR) |
| 480 | )* " # closing quote |
| 481 | ) # initial word |
| 482 | (?: (?: [\040\t] | \( |
| 483 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 484 | \) )* \. (?: [\040\t] | \( |
| 485 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 486 | \) )* (?: |
| 487 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 488 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 489 | | |
| 490 | " (?: # opening quote... |
| 491 | [^\\\x80-\xff\n\015"] # Anything except backslash and quote |
| 492 | | # or |
| 493 | \\ [^\x80-\xff] # Escaped something (something != CR) |
| 494 | )* " # closing quote |
| 495 | ) )* # further okay, if led by a period |
| 496 | (?: [\040\t] | \( |
| 497 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 498 | \) )* @ (?: [\040\t] | \( |
| 499 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 500 | \) )* (?: |
| 501 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 502 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 503 | | \[ # [ |
| 504 | (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff |
| 505 | \] # ] |
| 506 | ) # initial subdomain |
| 507 | (?: # |
| 508 | (?: [\040\t] | \( |
| 509 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 510 | \) )* \. # if led by a period... |
| 511 | (?: [\040\t] | \( |
| 512 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 513 | \) )* (?: |
| 514 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 515 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 516 | | \[ # [ |
| 517 | (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff |
| 518 | \] # ] |
| 519 | ) # ...further okay |
| 520 | )* |
| 521 | # address |
| 522 | | # or |
| 523 | (?: |
| 524 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 525 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 526 | | |
| 527 | " (?: # opening quote... |
| 528 | [^\\\x80-\xff\n\015"] # Anything except backslash and quote |
| 529 | | # or |
| 530 | \\ [^\x80-\xff] # Escaped something (something != CR) |
| 531 | )* " # closing quote |
| 532 | ) # one word, optionally followed by.... |
| 533 | (?: |
| 534 | [^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] | # atom and space parts, or... |
| 535 | \( |
| 536 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 537 | \) | # comments, or... |
| 538 | |
| 539 | " (?: # opening quote... |
| 540 | [^\\\x80-\xff\n\015"] # Anything except backslash and quote |
| 541 | | # or |
| 542 | \\ [^\x80-\xff] # Escaped something (something != CR) |
| 543 | )* " # closing quote |
| 544 | # quoted strings |
| 545 | )* |
| 546 | < (?: [\040\t] | \( |
| 547 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 548 | \) )* # leading < |
| 549 | (?: @ (?: [\040\t] | \( |
| 550 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 551 | \) )* (?: |
| 552 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 553 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 554 | | \[ # [ |
| 555 | (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff |
| 556 | \] # ] |
| 557 | ) # initial subdomain |
| 558 | (?: # |
| 559 | (?: [\040\t] | \( |
| 560 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 561 | \) )* \. # if led by a period... |
| 562 | (?: [\040\t] | \( |
| 563 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 564 | \) )* (?: |
| 565 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 566 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 567 | | \[ # [ |
| 568 | (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff |
| 569 | \] # ] |
| 570 | ) # ...further okay |
| 571 | )* |
| 572 | |
| 573 | (?: (?: [\040\t] | \( |
| 574 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 575 | \) )* , (?: [\040\t] | \( |
| 576 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 577 | \) )* @ (?: [\040\t] | \( |
| 578 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 579 | \) )* (?: |
| 580 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 581 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 582 | | \[ # [ |
| 583 | (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff |
| 584 | \] # ] |
| 585 | ) # initial subdomain |
| 586 | (?: # |
| 587 | (?: [\040\t] | \( |
| 588 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 589 | \) )* \. # if led by a period... |
| 590 | (?: [\040\t] | \( |
| 591 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 592 | \) )* (?: |
| 593 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 594 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 595 | | \[ # [ |
| 596 | (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff |
| 597 | \] # ] |
| 598 | ) # ...further okay |
| 599 | )* |
| 600 | )* # further okay, if led by comma |
| 601 | : # closing colon |
| 602 | (?: [\040\t] | \( |
| 603 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 604 | \) )* )? # optional route |
| 605 | (?: |
| 606 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 607 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 608 | | |
| 609 | " (?: # opening quote... |
| 610 | [^\\\x80-\xff\n\015"] # Anything except backslash and quote |
| 611 | | # or |
| 612 | \\ [^\x80-\xff] # Escaped something (something != CR) |
| 613 | )* " # closing quote |
| 614 | ) # initial word |
| 615 | (?: (?: [\040\t] | \( |
| 616 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 617 | \) )* \. (?: [\040\t] | \( |
| 618 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 619 | \) )* (?: |
| 620 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 621 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 622 | | |
| 623 | " (?: # opening quote... |
| 624 | [^\\\x80-\xff\n\015"] # Anything except backslash and quote |
| 625 | | # or |
| 626 | \\ [^\x80-\xff] # Escaped something (something != CR) |
| 627 | )* " # closing quote |
| 628 | ) )* # further okay, if led by a period |
| 629 | (?: [\040\t] | \( |
| 630 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 631 | \) )* @ (?: [\040\t] | \( |
| 632 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 633 | \) )* (?: |
| 634 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 635 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 636 | | \[ # [ |
| 637 | (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff |
| 638 | \] # ] |
| 639 | ) # initial subdomain |
| 640 | (?: # |
| 641 | (?: [\040\t] | \( |
| 642 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 643 | \) )* \. # if led by a period... |
| 644 | (?: [\040\t] | \( |
| 645 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 646 | \) )* (?: |
| 647 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 648 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 649 | | \[ # [ |
| 650 | (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff |
| 651 | \] # ] |
| 652 | ) # ...further okay |
| 653 | )* |
| 654 | # address spec |
| 655 | (?: [\040\t] | \( |
| 656 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 657 | \) )* > # trailing > |
| 658 | # name and address |
| 659 | ) (?: [\040\t] | \( |
| 660 | (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] | \( (?: [^\\\x80-\xff\n\015()] | \\ [^\x80-\xff] )* \) )* |
| 661 | \) )* # optional trailing comment |
| 662 | /x |
| 663 | Alan Other <user\@dom.ain> |
| 664 | <user\@dom.ain> |
| 665 | user\@dom.ain |
| 666 | \"A. Other\" <user.1234\@dom.ain> (a comment) |
| 667 | A. Other <user.1234\@dom.ain> (a comment) |
| 668 | \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay |
| 669 | A missing angle <user\@some.where |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 670 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 671 | The quick brown fox |
| 672 | |
| 673 | /[\040\t]* # Nab whitespace. |
| 674 | (?: |
| 675 | \( # ( |
| 676 | [^\\\x80-\xff\n\015()] * # normal* |
| 677 | (?: # ( |
| 678 | (?: \\ [^\x80-\xff] | |
| 679 | \( # ( |
| 680 | [^\\\x80-\xff\n\015()] * # normal* |
| 681 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 682 | \) # ) |
| 683 | ) # special |
| 684 | [^\\\x80-\xff\n\015()] * # normal* |
| 685 | )* # )* |
| 686 | \) # ) |
| 687 | [\040\t]* )* # If comment found, allow more spaces. |
| 688 | # optional leading comment |
| 689 | (?: |
| 690 | (?: |
| 691 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 692 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 693 | # Atom |
| 694 | | # or |
| 695 | " # " |
| 696 | [^\\\x80-\xff\n\015"] * # normal |
| 697 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )* |
| 698 | " # " |
| 699 | # Quoted string |
| 700 | ) |
| 701 | [\040\t]* # Nab whitespace. |
| 702 | (?: |
| 703 | \( # ( |
| 704 | [^\\\x80-\xff\n\015()] * # normal* |
| 705 | (?: # ( |
| 706 | (?: \\ [^\x80-\xff] | |
| 707 | \( # ( |
| 708 | [^\\\x80-\xff\n\015()] * # normal* |
| 709 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 710 | \) # ) |
| 711 | ) # special |
| 712 | [^\\\x80-\xff\n\015()] * # normal* |
| 713 | )* # )* |
| 714 | \) # ) |
| 715 | [\040\t]* )* # If comment found, allow more spaces. |
| 716 | (?: |
| 717 | \. |
| 718 | [\040\t]* # Nab whitespace. |
| 719 | (?: |
| 720 | \( # ( |
| 721 | [^\\\x80-\xff\n\015()] * # normal* |
| 722 | (?: # ( |
| 723 | (?: \\ [^\x80-\xff] | |
| 724 | \( # ( |
| 725 | [^\\\x80-\xff\n\015()] * # normal* |
| 726 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 727 | \) # ) |
| 728 | ) # special |
| 729 | [^\\\x80-\xff\n\015()] * # normal* |
| 730 | )* # )* |
| 731 | \) # ) |
| 732 | [\040\t]* )* # If comment found, allow more spaces. |
| 733 | (?: |
| 734 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 735 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 736 | # Atom |
| 737 | | # or |
| 738 | " # " |
| 739 | [^\\\x80-\xff\n\015"] * # normal |
| 740 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )* |
| 741 | " # " |
| 742 | # Quoted string |
| 743 | ) |
| 744 | [\040\t]* # Nab whitespace. |
| 745 | (?: |
| 746 | \( # ( |
| 747 | [^\\\x80-\xff\n\015()] * # normal* |
| 748 | (?: # ( |
| 749 | (?: \\ [^\x80-\xff] | |
| 750 | \( # ( |
| 751 | [^\\\x80-\xff\n\015()] * # normal* |
| 752 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 753 | \) # ) |
| 754 | ) # special |
| 755 | [^\\\x80-\xff\n\015()] * # normal* |
| 756 | )* # )* |
| 757 | \) # ) |
| 758 | [\040\t]* )* # If comment found, allow more spaces. |
| 759 | # additional words |
| 760 | )* |
| 761 | @ |
| 762 | [\040\t]* # Nab whitespace. |
| 763 | (?: |
| 764 | \( # ( |
| 765 | [^\\\x80-\xff\n\015()] * # normal* |
| 766 | (?: # ( |
| 767 | (?: \\ [^\x80-\xff] | |
| 768 | \( # ( |
| 769 | [^\\\x80-\xff\n\015()] * # normal* |
| 770 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 771 | \) # ) |
| 772 | ) # special |
| 773 | [^\\\x80-\xff\n\015()] * # normal* |
| 774 | )* # )* |
| 775 | \) # ) |
| 776 | [\040\t]* )* # If comment found, allow more spaces. |
| 777 | (?: |
| 778 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 779 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 780 | | |
| 781 | \[ # [ |
| 782 | (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff |
| 783 | \] # ] |
| 784 | ) |
| 785 | [\040\t]* # Nab whitespace. |
| 786 | (?: |
| 787 | \( # ( |
| 788 | [^\\\x80-\xff\n\015()] * # normal* |
| 789 | (?: # ( |
| 790 | (?: \\ [^\x80-\xff] | |
| 791 | \( # ( |
| 792 | [^\\\x80-\xff\n\015()] * # normal* |
| 793 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 794 | \) # ) |
| 795 | ) # special |
| 796 | [^\\\x80-\xff\n\015()] * # normal* |
| 797 | )* # )* |
| 798 | \) # ) |
| 799 | [\040\t]* )* # If comment found, allow more spaces. |
| 800 | # optional trailing comments |
| 801 | (?: |
| 802 | \. |
| 803 | [\040\t]* # Nab whitespace. |
| 804 | (?: |
| 805 | \( # ( |
| 806 | [^\\\x80-\xff\n\015()] * # normal* |
| 807 | (?: # ( |
| 808 | (?: \\ [^\x80-\xff] | |
| 809 | \( # ( |
| 810 | [^\\\x80-\xff\n\015()] * # normal* |
| 811 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 812 | \) # ) |
| 813 | ) # special |
| 814 | [^\\\x80-\xff\n\015()] * # normal* |
| 815 | )* # )* |
| 816 | \) # ) |
| 817 | [\040\t]* )* # If comment found, allow more spaces. |
| 818 | (?: |
| 819 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 820 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 821 | | |
| 822 | \[ # [ |
| 823 | (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff |
| 824 | \] # ] |
| 825 | ) |
| 826 | [\040\t]* # Nab whitespace. |
| 827 | (?: |
| 828 | \( # ( |
| 829 | [^\\\x80-\xff\n\015()] * # normal* |
| 830 | (?: # ( |
| 831 | (?: \\ [^\x80-\xff] | |
| 832 | \( # ( |
| 833 | [^\\\x80-\xff\n\015()] * # normal* |
| 834 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 835 | \) # ) |
| 836 | ) # special |
| 837 | [^\\\x80-\xff\n\015()] * # normal* |
| 838 | )* # )* |
| 839 | \) # ) |
| 840 | [\040\t]* )* # If comment found, allow more spaces. |
| 841 | # optional trailing comments |
| 842 | )* |
| 843 | # address |
| 844 | | # or |
| 845 | (?: |
| 846 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 847 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 848 | # Atom |
| 849 | | # or |
| 850 | " # " |
| 851 | [^\\\x80-\xff\n\015"] * # normal |
| 852 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )* |
| 853 | " # " |
| 854 | # Quoted string |
| 855 | ) |
| 856 | # leading word |
| 857 | [^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] * # "normal" atoms and or spaces |
| 858 | (?: |
| 859 | (?: |
| 860 | \( # ( |
| 861 | [^\\\x80-\xff\n\015()] * # normal* |
| 862 | (?: # ( |
| 863 | (?: \\ [^\x80-\xff] | |
| 864 | \( # ( |
| 865 | [^\\\x80-\xff\n\015()] * # normal* |
| 866 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 867 | \) # ) |
| 868 | ) # special |
| 869 | [^\\\x80-\xff\n\015()] * # normal* |
| 870 | )* # )* |
| 871 | \) # ) |
| 872 | | |
| 873 | " # " |
| 874 | [^\\\x80-\xff\n\015"] * # normal |
| 875 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )* |
| 876 | " # " |
| 877 | ) # "special" comment or quoted string |
| 878 | [^()<>@,;:".\\\[\]\x80-\xff\000-\010\012-\037] * # more "normal" |
| 879 | )* |
| 880 | < |
| 881 | [\040\t]* # Nab whitespace. |
| 882 | (?: |
| 883 | \( # ( |
| 884 | [^\\\x80-\xff\n\015()] * # normal* |
| 885 | (?: # ( |
| 886 | (?: \\ [^\x80-\xff] | |
| 887 | \( # ( |
| 888 | [^\\\x80-\xff\n\015()] * # normal* |
| 889 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 890 | \) # ) |
| 891 | ) # special |
| 892 | [^\\\x80-\xff\n\015()] * # normal* |
| 893 | )* # )* |
| 894 | \) # ) |
| 895 | [\040\t]* )* # If comment found, allow more spaces. |
| 896 | # < |
| 897 | (?: |
| 898 | @ |
| 899 | [\040\t]* # Nab whitespace. |
| 900 | (?: |
| 901 | \( # ( |
| 902 | [^\\\x80-\xff\n\015()] * # normal* |
| 903 | (?: # ( |
| 904 | (?: \\ [^\x80-\xff] | |
| 905 | \( # ( |
| 906 | [^\\\x80-\xff\n\015()] * # normal* |
| 907 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 908 | \) # ) |
| 909 | ) # special |
| 910 | [^\\\x80-\xff\n\015()] * # normal* |
| 911 | )* # )* |
| 912 | \) # ) |
| 913 | [\040\t]* )* # If comment found, allow more spaces. |
| 914 | (?: |
| 915 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 916 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 917 | | |
| 918 | \[ # [ |
| 919 | (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff |
| 920 | \] # ] |
| 921 | ) |
| 922 | [\040\t]* # Nab whitespace. |
| 923 | (?: |
| 924 | \( # ( |
| 925 | [^\\\x80-\xff\n\015()] * # normal* |
| 926 | (?: # ( |
| 927 | (?: \\ [^\x80-\xff] | |
| 928 | \( # ( |
| 929 | [^\\\x80-\xff\n\015()] * # normal* |
| 930 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 931 | \) # ) |
| 932 | ) # special |
| 933 | [^\\\x80-\xff\n\015()] * # normal* |
| 934 | )* # )* |
| 935 | \) # ) |
| 936 | [\040\t]* )* # If comment found, allow more spaces. |
| 937 | # optional trailing comments |
| 938 | (?: |
| 939 | \. |
| 940 | [\040\t]* # Nab whitespace. |
| 941 | (?: |
| 942 | \( # ( |
| 943 | [^\\\x80-\xff\n\015()] * # normal* |
| 944 | (?: # ( |
| 945 | (?: \\ [^\x80-\xff] | |
| 946 | \( # ( |
| 947 | [^\\\x80-\xff\n\015()] * # normal* |
| 948 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 949 | \) # ) |
| 950 | ) # special |
| 951 | [^\\\x80-\xff\n\015()] * # normal* |
| 952 | )* # )* |
| 953 | \) # ) |
| 954 | [\040\t]* )* # If comment found, allow more spaces. |
| 955 | (?: |
| 956 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 957 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 958 | | |
| 959 | \[ # [ |
| 960 | (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff |
| 961 | \] # ] |
| 962 | ) |
| 963 | [\040\t]* # Nab whitespace. |
| 964 | (?: |
| 965 | \( # ( |
| 966 | [^\\\x80-\xff\n\015()] * # normal* |
| 967 | (?: # ( |
| 968 | (?: \\ [^\x80-\xff] | |
| 969 | \( # ( |
| 970 | [^\\\x80-\xff\n\015()] * # normal* |
| 971 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 972 | \) # ) |
| 973 | ) # special |
| 974 | [^\\\x80-\xff\n\015()] * # normal* |
| 975 | )* # )* |
| 976 | \) # ) |
| 977 | [\040\t]* )* # If comment found, allow more spaces. |
| 978 | # optional trailing comments |
| 979 | )* |
| 980 | (?: , |
| 981 | [\040\t]* # Nab whitespace. |
| 982 | (?: |
| 983 | \( # ( |
| 984 | [^\\\x80-\xff\n\015()] * # normal* |
| 985 | (?: # ( |
| 986 | (?: \\ [^\x80-\xff] | |
| 987 | \( # ( |
| 988 | [^\\\x80-\xff\n\015()] * # normal* |
| 989 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 990 | \) # ) |
| 991 | ) # special |
| 992 | [^\\\x80-\xff\n\015()] * # normal* |
| 993 | )* # )* |
| 994 | \) # ) |
| 995 | [\040\t]* )* # If comment found, allow more spaces. |
| 996 | @ |
| 997 | [\040\t]* # Nab whitespace. |
| 998 | (?: |
| 999 | \( # ( |
| 1000 | [^\\\x80-\xff\n\015()] * # normal* |
| 1001 | (?: # ( |
| 1002 | (?: \\ [^\x80-\xff] | |
| 1003 | \( # ( |
| 1004 | [^\\\x80-\xff\n\015()] * # normal* |
| 1005 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 1006 | \) # ) |
| 1007 | ) # special |
| 1008 | [^\\\x80-\xff\n\015()] * # normal* |
| 1009 | )* # )* |
| 1010 | \) # ) |
| 1011 | [\040\t]* )* # If comment found, allow more spaces. |
| 1012 | (?: |
| 1013 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 1014 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 1015 | | |
| 1016 | \[ # [ |
| 1017 | (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff |
| 1018 | \] # ] |
| 1019 | ) |
| 1020 | [\040\t]* # Nab whitespace. |
| 1021 | (?: |
| 1022 | \( # ( |
| 1023 | [^\\\x80-\xff\n\015()] * # normal* |
| 1024 | (?: # ( |
| 1025 | (?: \\ [^\x80-\xff] | |
| 1026 | \( # ( |
| 1027 | [^\\\x80-\xff\n\015()] * # normal* |
| 1028 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 1029 | \) # ) |
| 1030 | ) # special |
| 1031 | [^\\\x80-\xff\n\015()] * # normal* |
| 1032 | )* # )* |
| 1033 | \) # ) |
| 1034 | [\040\t]* )* # If comment found, allow more spaces. |
| 1035 | # optional trailing comments |
| 1036 | (?: |
| 1037 | \. |
| 1038 | [\040\t]* # Nab whitespace. |
| 1039 | (?: |
| 1040 | \( # ( |
| 1041 | [^\\\x80-\xff\n\015()] * # normal* |
| 1042 | (?: # ( |
| 1043 | (?: \\ [^\x80-\xff] | |
| 1044 | \( # ( |
| 1045 | [^\\\x80-\xff\n\015()] * # normal* |
| 1046 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 1047 | \) # ) |
| 1048 | ) # special |
| 1049 | [^\\\x80-\xff\n\015()] * # normal* |
| 1050 | )* # )* |
| 1051 | \) # ) |
| 1052 | [\040\t]* )* # If comment found, allow more spaces. |
| 1053 | (?: |
| 1054 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 1055 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 1056 | | |
| 1057 | \[ # [ |
| 1058 | (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff |
| 1059 | \] # ] |
| 1060 | ) |
| 1061 | [\040\t]* # Nab whitespace. |
| 1062 | (?: |
| 1063 | \( # ( |
| 1064 | [^\\\x80-\xff\n\015()] * # normal* |
| 1065 | (?: # ( |
| 1066 | (?: \\ [^\x80-\xff] | |
| 1067 | \( # ( |
| 1068 | [^\\\x80-\xff\n\015()] * # normal* |
| 1069 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 1070 | \) # ) |
| 1071 | ) # special |
| 1072 | [^\\\x80-\xff\n\015()] * # normal* |
| 1073 | )* # )* |
| 1074 | \) # ) |
| 1075 | [\040\t]* )* # If comment found, allow more spaces. |
| 1076 | # optional trailing comments |
| 1077 | )* |
| 1078 | )* # additional domains |
| 1079 | : |
| 1080 | [\040\t]* # Nab whitespace. |
| 1081 | (?: |
| 1082 | \( # ( |
| 1083 | [^\\\x80-\xff\n\015()] * # normal* |
| 1084 | (?: # ( |
| 1085 | (?: \\ [^\x80-\xff] | |
| 1086 | \( # ( |
| 1087 | [^\\\x80-\xff\n\015()] * # normal* |
| 1088 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 1089 | \) # ) |
| 1090 | ) # special |
| 1091 | [^\\\x80-\xff\n\015()] * # normal* |
| 1092 | )* # )* |
| 1093 | \) # ) |
| 1094 | [\040\t]* )* # If comment found, allow more spaces. |
| 1095 | # optional trailing comments |
| 1096 | )? # optional route |
| 1097 | (?: |
| 1098 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 1099 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 1100 | # Atom |
| 1101 | | # or |
| 1102 | " # " |
| 1103 | [^\\\x80-\xff\n\015"] * # normal |
| 1104 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )* |
| 1105 | " # " |
| 1106 | # Quoted string |
| 1107 | ) |
| 1108 | [\040\t]* # Nab whitespace. |
| 1109 | (?: |
| 1110 | \( # ( |
| 1111 | [^\\\x80-\xff\n\015()] * # normal* |
| 1112 | (?: # ( |
| 1113 | (?: \\ [^\x80-\xff] | |
| 1114 | \( # ( |
| 1115 | [^\\\x80-\xff\n\015()] * # normal* |
| 1116 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 1117 | \) # ) |
| 1118 | ) # special |
| 1119 | [^\\\x80-\xff\n\015()] * # normal* |
| 1120 | )* # )* |
| 1121 | \) # ) |
| 1122 | [\040\t]* )* # If comment found, allow more spaces. |
| 1123 | (?: |
| 1124 | \. |
| 1125 | [\040\t]* # Nab whitespace. |
| 1126 | (?: |
| 1127 | \( # ( |
| 1128 | [^\\\x80-\xff\n\015()] * # normal* |
| 1129 | (?: # ( |
| 1130 | (?: \\ [^\x80-\xff] | |
| 1131 | \( # ( |
| 1132 | [^\\\x80-\xff\n\015()] * # normal* |
| 1133 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 1134 | \) # ) |
| 1135 | ) # special |
| 1136 | [^\\\x80-\xff\n\015()] * # normal* |
| 1137 | )* # )* |
| 1138 | \) # ) |
| 1139 | [\040\t]* )* # If comment found, allow more spaces. |
| 1140 | (?: |
| 1141 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 1142 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 1143 | # Atom |
| 1144 | | # or |
| 1145 | " # " |
| 1146 | [^\\\x80-\xff\n\015"] * # normal |
| 1147 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015"] * )* # ( special normal* )* |
| 1148 | " # " |
| 1149 | # Quoted string |
| 1150 | ) |
| 1151 | [\040\t]* # Nab whitespace. |
| 1152 | (?: |
| 1153 | \( # ( |
| 1154 | [^\\\x80-\xff\n\015()] * # normal* |
| 1155 | (?: # ( |
| 1156 | (?: \\ [^\x80-\xff] | |
| 1157 | \( # ( |
| 1158 | [^\\\x80-\xff\n\015()] * # normal* |
| 1159 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 1160 | \) # ) |
| 1161 | ) # special |
| 1162 | [^\\\x80-\xff\n\015()] * # normal* |
| 1163 | )* # )* |
| 1164 | \) # ) |
| 1165 | [\040\t]* )* # If comment found, allow more spaces. |
| 1166 | # additional words |
| 1167 | )* |
| 1168 | @ |
| 1169 | [\040\t]* # Nab whitespace. |
| 1170 | (?: |
| 1171 | \( # ( |
| 1172 | [^\\\x80-\xff\n\015()] * # normal* |
| 1173 | (?: # ( |
| 1174 | (?: \\ [^\x80-\xff] | |
| 1175 | \( # ( |
| 1176 | [^\\\x80-\xff\n\015()] * # normal* |
| 1177 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 1178 | \) # ) |
| 1179 | ) # special |
| 1180 | [^\\\x80-\xff\n\015()] * # normal* |
| 1181 | )* # )* |
| 1182 | \) # ) |
| 1183 | [\040\t]* )* # If comment found, allow more spaces. |
| 1184 | (?: |
| 1185 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 1186 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 1187 | | |
| 1188 | \[ # [ |
| 1189 | (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff |
| 1190 | \] # ] |
| 1191 | ) |
| 1192 | [\040\t]* # Nab whitespace. |
| 1193 | (?: |
| 1194 | \( # ( |
| 1195 | [^\\\x80-\xff\n\015()] * # normal* |
| 1196 | (?: # ( |
| 1197 | (?: \\ [^\x80-\xff] | |
| 1198 | \( # ( |
| 1199 | [^\\\x80-\xff\n\015()] * # normal* |
| 1200 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 1201 | \) # ) |
| 1202 | ) # special |
| 1203 | [^\\\x80-\xff\n\015()] * # normal* |
| 1204 | )* # )* |
| 1205 | \) # ) |
| 1206 | [\040\t]* )* # If comment found, allow more spaces. |
| 1207 | # optional trailing comments |
| 1208 | (?: |
| 1209 | \. |
| 1210 | [\040\t]* # Nab whitespace. |
| 1211 | (?: |
| 1212 | \( # ( |
| 1213 | [^\\\x80-\xff\n\015()] * # normal* |
| 1214 | (?: # ( |
| 1215 | (?: \\ [^\x80-\xff] | |
| 1216 | \( # ( |
| 1217 | [^\\\x80-\xff\n\015()] * # normal* |
| 1218 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 1219 | \) # ) |
| 1220 | ) # special |
| 1221 | [^\\\x80-\xff\n\015()] * # normal* |
| 1222 | )* # )* |
| 1223 | \) # ) |
| 1224 | [\040\t]* )* # If comment found, allow more spaces. |
| 1225 | (?: |
| 1226 | [^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]+ # some number of atom characters... |
| 1227 | (?![^(\040)<>@,;:".\\\[\]\000-\037\x80-\xff]) # ..not followed by something that could be part of an atom |
| 1228 | | |
| 1229 | \[ # [ |
| 1230 | (?: [^\\\x80-\xff\n\015\[\]] | \\ [^\x80-\xff] )* # stuff |
| 1231 | \] # ] |
| 1232 | ) |
| 1233 | [\040\t]* # Nab whitespace. |
| 1234 | (?: |
| 1235 | \( # ( |
| 1236 | [^\\\x80-\xff\n\015()] * # normal* |
| 1237 | (?: # ( |
| 1238 | (?: \\ [^\x80-\xff] | |
| 1239 | \( # ( |
| 1240 | [^\\\x80-\xff\n\015()] * # normal* |
| 1241 | (?: \\ [^\x80-\xff] [^\\\x80-\xff\n\015()] * )* # (special normal*)* |
| 1242 | \) # ) |
| 1243 | ) # special |
| 1244 | [^\\\x80-\xff\n\015()] * # normal* |
| 1245 | )* # )* |
| 1246 | \) # ) |
| 1247 | [\040\t]* )* # If comment found, allow more spaces. |
| 1248 | # optional trailing comments |
| 1249 | )* |
| 1250 | # address spec |
| 1251 | > # > |
| 1252 | # name and address |
| 1253 | ) |
| 1254 | /x |
| 1255 | Alan Other <user\@dom.ain> |
| 1256 | <user\@dom.ain> |
| 1257 | user\@dom.ain |
| 1258 | \"A. Other\" <user.1234\@dom.ain> (a comment) |
| 1259 | A. Other <user.1234\@dom.ain> (a comment) |
| 1260 | \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay |
| 1261 | A missing angle <user\@some.where |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1262 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1263 | The quick brown fox |
| 1264 | |
| 1265 | /abc\0def\00pqr\000xyz\0000AB/ |
| 1266 | abc\0def\00pqr\000xyz\0000AB |
| 1267 | abc456 abc\0def\00pqr\000xyz\0000ABCDE |
| 1268 | |
| 1269 | /abc\x0def\x00pqr\x000xyz\x0000AB/ |
| 1270 | abc\x0def\x00pqr\x000xyz\x0000AB |
| 1271 | abc456 abc\x0def\x00pqr\x000xyz\x0000ABCDE |
| 1272 | |
| 1273 | /^[\000-\037]/ |
| 1274 | \0A |
| 1275 | \01B |
| 1276 | \037C |
| 1277 | |
| 1278 | /\0*/ |
| 1279 | \0\0\0\0 |
| 1280 | |
| 1281 | /A\x0{2,3}Z/ |
| 1282 | The A\x0\x0Z |
| 1283 | An A\0\x0\0Z |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1284 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1285 | A\0Z |
| 1286 | A\0\x0\0\x0Z |
| 1287 | |
| 1288 | /^(cow|)\1(bell)/ |
| 1289 | cowcowbell |
| 1290 | bell |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1291 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1292 | cowbell |
| 1293 | |
| 1294 | /^\s/ |
| 1295 | \040abc |
| 1296 | \x0cabc |
| 1297 | \nabc |
| 1298 | \rabc |
| 1299 | \tabc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1300 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1301 | abc |
| 1302 | |
| 1303 | /^a b |
| 1304 | c/x |
| 1305 | abc |
| 1306 | |
| 1307 | /^(a|)\1*b/ |
| 1308 | ab |
| 1309 | aaaab |
| 1310 | b |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1311 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1312 | acb |
| 1313 | |
| 1314 | /^(a|)\1+b/ |
| 1315 | aab |
| 1316 | aaaab |
| 1317 | b |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1318 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1319 | ab |
| 1320 | |
| 1321 | /^(a|)\1?b/ |
| 1322 | ab |
| 1323 | aab |
| 1324 | b |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1325 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1326 | acb |
| 1327 | |
| 1328 | /^(a|)\1{2}b/ |
| 1329 | aaab |
| 1330 | b |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1331 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1332 | ab |
| 1333 | aab |
| 1334 | aaaab |
| 1335 | |
| 1336 | /^(a|)\1{2,3}b/ |
| 1337 | aaab |
| 1338 | aaaab |
| 1339 | b |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1340 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1341 | ab |
| 1342 | aab |
| 1343 | aaaaab |
| 1344 | |
| 1345 | /ab{1,3}bc/ |
| 1346 | abbbbc |
| 1347 | abbbc |
| 1348 | abbc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1349 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1350 | abc |
| 1351 | abbbbbc |
| 1352 | |
| 1353 | /([^.]*)\.([^:]*):[T ]+(.*)/ |
| 1354 | track1.title:TBlah blah blah |
| 1355 | |
| 1356 | /([^.]*)\.([^:]*):[T ]+(.*)/i |
| 1357 | track1.title:TBlah blah blah |
| 1358 | |
| 1359 | /([^.]*)\.([^:]*):[t ]+(.*)/i |
| 1360 | track1.title:TBlah blah blah |
| 1361 | |
| 1362 | /^[W-c]+$/ |
| 1363 | WXY_^abc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1364 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1365 | wxy |
| 1366 | |
| 1367 | /^[W-c]+$/i |
| 1368 | WXY_^abc |
| 1369 | wxy_^ABC |
| 1370 | |
| 1371 | /^[\x3f-\x5F]+$/i |
| 1372 | WXY_^abc |
| 1373 | wxy_^ABC |
| 1374 | |
| 1375 | /^abc$/m |
| 1376 | abc |
| 1377 | qqq\nabc |
| 1378 | abc\nzzz |
| 1379 | qqq\nabc\nzzz |
| 1380 | |
| 1381 | /^abc$/ |
| 1382 | abc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1383 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1384 | qqq\nabc |
| 1385 | abc\nzzz |
| 1386 | qqq\nabc\nzzz |
| 1387 | |
| 1388 | /\Aabc\Z/m |
| 1389 | abc |
| 1390 | abc\n |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1391 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1392 | qqq\nabc |
| 1393 | abc\nzzz |
| 1394 | qqq\nabc\nzzz |
| 1395 | |
| 1396 | /\A(.)*\Z/s |
| 1397 | abc\ndef |
| 1398 | |
| 1399 | /\A(.)*\Z/m |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1400 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1401 | abc\ndef |
| 1402 | |
| 1403 | /(?:b)|(?::+)/ |
| 1404 | b::c |
| 1405 | c::b |
| 1406 | |
| 1407 | /[-az]+/ |
| 1408 | az- |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1409 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1410 | b |
| 1411 | |
| 1412 | /[az-]+/ |
| 1413 | za- |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1414 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1415 | b |
| 1416 | |
| 1417 | /[a\-z]+/ |
| 1418 | a-z |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1419 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1420 | b |
| 1421 | |
| 1422 | /[a-z]+/ |
| 1423 | abcdxyz |
| 1424 | |
| 1425 | /[\d-]+/ |
| 1426 | 12-34 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1427 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1428 | aaa |
| 1429 | |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1430 | /\x5c/ |
| 1431 | \\ |
| 1432 | |
| 1433 | /\x20Z/ |
| 1434 | the Zoo |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1435 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1436 | Zulu |
| 1437 | |
| 1438 | /(abc)\1/i |
| 1439 | abcabc |
| 1440 | ABCabc |
| 1441 | abcABC |
| 1442 | |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1443 | /abc$/ |
| 1444 | abc |
| 1445 | abc\n |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1446 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1447 | abc\ndef |
| 1448 | |
| 1449 | /(abc)\123/ |
| 1450 | abc\x53 |
| 1451 | |
| 1452 | /(abc)\223/ |
| 1453 | abc\x93 |
| 1454 | |
| 1455 | /(abc)\323/ |
| 1456 | abc\xd3 |
| 1457 | |
| 1458 | /(abc)\100/ |
| 1459 | abc\x40 |
| 1460 | abc\100 |
| 1461 | |
| 1462 | /(abc)\1000/ |
| 1463 | abc\x400 |
| 1464 | abc\x40\x30 |
| 1465 | abc\1000 |
| 1466 | abc\100\x30 |
| 1467 | abc\100\060 |
| 1468 | abc\100\60 |
| 1469 | |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1470 | /^(A)(B)(C)(D)(E)(F)(G)(H)(I)\8\9$/ |
| 1471 | ABCDEFGHIHI |
| 1472 | |
| 1473 | /^[A\8B\9C]+$/ |
| 1474 | A8B9C |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1475 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1476 | A8B9C\x00 |
| 1477 | |
| 1478 | /(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)\12\123/ |
| 1479 | abcdefghijkllS |
| 1480 | |
| 1481 | /(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\12\123/ |
| 1482 | abcdefghijk\12S |
| 1483 | |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1484 | /a{0}bc/ |
| 1485 | bc |
| 1486 | |
| 1487 | /(a|(bc)){0,0}?xyz/ |
| 1488 | xyz |
| 1489 | |
| 1490 | /abc[\10]de/ |
| 1491 | abc\010de |
| 1492 | |
| 1493 | /abc[\1]de/ |
| 1494 | abc\1de |
| 1495 | |
| 1496 | /(abc)[\1]de/ |
| 1497 | abc\1de |
| 1498 | |
| 1499 | /(?s)a.b/ |
| 1500 | a\nb |
| 1501 | |
| 1502 | /^([^a])([^\b])([^c]*)([^d]{3,4})/ |
| 1503 | baNOTccccd |
| 1504 | baNOTcccd |
| 1505 | baNOTccd |
| 1506 | bacccd |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1507 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1508 | anything |
| 1509 | b\bc |
| 1510 | baccd |
| 1511 | |
| 1512 | /[^a]/ |
| 1513 | Abc |
| 1514 | |
| 1515 | /[^a]/i |
| 1516 | Abc |
| 1517 | |
| 1518 | /[^a]+/ |
| 1519 | AAAaAbc |
| 1520 | |
| 1521 | /[^a]+/i |
| 1522 | AAAaAbc |
| 1523 | |
| 1524 | /[^a]+/ |
| 1525 | bbb\nccc |
| 1526 | |
| 1527 | /[^k]$/ |
| 1528 | abc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1529 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1530 | abk |
| 1531 | |
| 1532 | /[^k]{2,3}$/ |
| 1533 | abc |
| 1534 | kbc |
| 1535 | kabc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1536 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1537 | abk |
| 1538 | akb |
| 1539 | akk |
| 1540 | |
| 1541 | /^\d{8,}\@.+[^k]$/ |
| 1542 | 12345678\@a.b.c.d |
| 1543 | 123456789\@x.y.z |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1544 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1545 | 12345678\@x.y.uk |
| 1546 | 1234567\@a.b.c.d |
| 1547 | |
| 1548 | /(a)\1{8,}/ |
| 1549 | aaaaaaaaa |
| 1550 | aaaaaaaaaa |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1551 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1552 | aaaaaaa |
| 1553 | |
| 1554 | /[^a]/ |
| 1555 | aaaabcd |
| 1556 | aaAabcd |
| 1557 | |
| 1558 | /[^a]/i |
| 1559 | aaaabcd |
| 1560 | aaAabcd |
| 1561 | |
| 1562 | /[^az]/ |
| 1563 | aaaabcd |
| 1564 | aaAabcd |
| 1565 | |
| 1566 | /[^az]/i |
| 1567 | aaaabcd |
| 1568 | aaAabcd |
| 1569 | |
| 1570 | /\000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377/ |
| 1571 | \000\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037\040\041\042\043\044\045\046\047\050\051\052\053\054\055\056\057\060\061\062\063\064\065\066\067\070\071\072\073\074\075\076\077\100\101\102\103\104\105\106\107\110\111\112\113\114\115\116\117\120\121\122\123\124\125\126\127\130\131\132\133\134\135\136\137\140\141\142\143\144\145\146\147\150\151\152\153\154\155\156\157\160\161\162\163\164\165\166\167\170\171\172\173\174\175\176\177\200\201\202\203\204\205\206\207\210\211\212\213\214\215\216\217\220\221\222\223\224\225\226\227\230\231\232\233\234\235\236\237\240\241\242\243\244\245\246\247\250\251\252\253\254\255\256\257\260\261\262\263\264\265\266\267\270\271\272\273\274\275\276\277\300\301\302\303\304\305\306\307\310\311\312\313\314\315\316\317\320\321\322\323\324\325\326\327\330\331\332\333\334\335\336\337\340\341\342\343\344\345\346\347\350\351\352\353\354\355\356\357\360\361\362\363\364\365\366\367\370\371\372\373\374\375\376\377 |
| 1572 | |
| 1573 | /P[^*]TAIRE[^*]{1,6}?LL/ |
| 1574 | xxxxxxxxxxxPSTAIREISLLxxxxxxxxx |
| 1575 | |
| 1576 | /P[^*]TAIRE[^*]{1,}?LL/ |
| 1577 | xxxxxxxxxxxPSTAIREISLLxxxxxxxxx |
| 1578 | |
| 1579 | /(\.\d\d[1-9]?)\d+/ |
| 1580 | 1.230003938 |
| 1581 | 1.875000282 |
| 1582 | 1.235 |
| 1583 | |
| 1584 | /(\.\d\d((?=0)|\d(?=\d)))/ |
| 1585 | 1.230003938 |
| 1586 | 1.875000282 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1587 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1588 | 1.235 |
| 1589 | |
| 1590 | /a(?)b/ |
| 1591 | ab |
| 1592 | |
| 1593 | /\b(foo)\s+(\w+)/i |
| 1594 | Food is on the foo table |
| 1595 | |
| 1596 | /foo(.*)bar/ |
| 1597 | The food is under the bar in the barn. |
| 1598 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1599 | /foo(.*?)bar/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1600 | The food is under the bar in the barn. |
| 1601 | |
| 1602 | /(.*)(\d*)/ |
| 1603 | I have 2 numbers: 53147 |
| 1604 | |
| 1605 | /(.*)(\d+)/ |
| 1606 | I have 2 numbers: 53147 |
| 1607 | |
| 1608 | /(.*?)(\d*)/ |
| 1609 | I have 2 numbers: 53147 |
| 1610 | |
| 1611 | /(.*?)(\d+)/ |
| 1612 | I have 2 numbers: 53147 |
| 1613 | |
| 1614 | /(.*)(\d+)$/ |
| 1615 | I have 2 numbers: 53147 |
| 1616 | |
| 1617 | /(.*?)(\d+)$/ |
| 1618 | I have 2 numbers: 53147 |
| 1619 | |
| 1620 | /(.*)\b(\d+)$/ |
| 1621 | I have 2 numbers: 53147 |
| 1622 | |
| 1623 | /(.*\D)(\d+)$/ |
| 1624 | I have 2 numbers: 53147 |
| 1625 | |
| 1626 | /^\D*(?!123)/ |
| 1627 | ABC123 |
| 1628 | |
| 1629 | /^(\D*)(?=\d)(?!123)/ |
| 1630 | ABC445 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1631 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1632 | ABC123 |
| 1633 | |
| 1634 | /^[W-]46]/ |
| 1635 | W46]789 |
| 1636 | -46]789 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1637 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1638 | Wall |
| 1639 | Zebra |
| 1640 | 42 |
| 1641 | [abcd] |
| 1642 | ]abcd[ |
| 1643 | |
| 1644 | /^[W-\]46]/ |
| 1645 | W46]789 |
| 1646 | Wall |
| 1647 | Zebra |
| 1648 | Xylophone |
| 1649 | 42 |
| 1650 | [abcd] |
| 1651 | ]abcd[ |
| 1652 | \\backslash |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1653 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1654 | -46]789 |
| 1655 | well |
| 1656 | |
| 1657 | /\d\d\/\d\d\/\d\d\d\d/ |
| 1658 | 01/01/2000 |
| 1659 | |
| 1660 | /word (?:[a-zA-Z0-9]+ ){0,10}otherword/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1661 | word cat dog elephant mussel cow horse canary baboon snake shark otherword |
| 1662 | \= Expect no match |
| 1663 | word cat dog elephant mussel cow horse canary baboon snake shark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1664 | |
| 1665 | /word (?:[a-zA-Z0-9]+ ){0,300}otherword/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1666 | \= Expect no match |
| 1667 | word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1668 | |
| 1669 | /^(a){0,0}/ |
| 1670 | bcd |
| 1671 | abc |
| 1672 | aab |
| 1673 | |
| 1674 | /^(a){0,1}/ |
| 1675 | bcd |
| 1676 | abc |
| 1677 | aab |
| 1678 | |
| 1679 | /^(a){0,2}/ |
| 1680 | bcd |
| 1681 | abc |
| 1682 | aab |
| 1683 | |
| 1684 | /^(a){0,3}/ |
| 1685 | bcd |
| 1686 | abc |
| 1687 | aab |
| 1688 | aaa |
| 1689 | |
| 1690 | /^(a){0,}/ |
| 1691 | bcd |
| 1692 | abc |
| 1693 | aab |
| 1694 | aaa |
| 1695 | aaaaaaaa |
| 1696 | |
| 1697 | /^(a){1,1}/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1698 | abc |
| 1699 | aab |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1700 | \= Expect no match |
| 1701 | bcd |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1702 | |
| 1703 | /^(a){1,2}/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1704 | abc |
| 1705 | aab |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1706 | \= Expect no match |
| 1707 | bcd |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1708 | |
| 1709 | /^(a){1,3}/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1710 | abc |
| 1711 | aab |
| 1712 | aaa |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1713 | \= Expect no match |
| 1714 | bcd |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1715 | |
| 1716 | /^(a){1,}/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1717 | abc |
| 1718 | aab |
| 1719 | aaa |
| 1720 | aaaaaaaa |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1721 | \= Expect no match |
| 1722 | bcd |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1723 | |
| 1724 | /.*\.gif/ |
| 1725 | borfle\nbib.gif\nno |
| 1726 | |
| 1727 | /.{0,}\.gif/ |
| 1728 | borfle\nbib.gif\nno |
| 1729 | |
| 1730 | /.*\.gif/m |
| 1731 | borfle\nbib.gif\nno |
| 1732 | |
| 1733 | /.*\.gif/s |
| 1734 | borfle\nbib.gif\nno |
| 1735 | |
| 1736 | /.*\.gif/ms |
| 1737 | borfle\nbib.gif\nno |
| 1738 | |
| 1739 | /.*$/ |
| 1740 | borfle\nbib.gif\nno |
| 1741 | |
| 1742 | /.*$/m |
| 1743 | borfle\nbib.gif\nno |
| 1744 | |
| 1745 | /.*$/s |
| 1746 | borfle\nbib.gif\nno |
| 1747 | |
| 1748 | /.*$/ms |
| 1749 | borfle\nbib.gif\nno |
| 1750 | |
| 1751 | /.*$/ |
| 1752 | borfle\nbib.gif\nno\n |
| 1753 | |
| 1754 | /.*$/m |
| 1755 | borfle\nbib.gif\nno\n |
| 1756 | |
| 1757 | /.*$/s |
| 1758 | borfle\nbib.gif\nno\n |
| 1759 | |
| 1760 | /.*$/ms |
| 1761 | borfle\nbib.gif\nno\n |
| 1762 | |
| 1763 | /(.*X|^B)/ |
| 1764 | abcde\n1234Xyz |
| 1765 | BarFoo |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1766 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1767 | abcde\nBar |
| 1768 | |
| 1769 | /(.*X|^B)/m |
| 1770 | abcde\n1234Xyz |
| 1771 | BarFoo |
| 1772 | abcde\nBar |
| 1773 | |
| 1774 | /(.*X|^B)/s |
| 1775 | abcde\n1234Xyz |
| 1776 | BarFoo |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1777 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1778 | abcde\nBar |
| 1779 | |
| 1780 | /(.*X|^B)/ms |
| 1781 | abcde\n1234Xyz |
| 1782 | BarFoo |
| 1783 | abcde\nBar |
| 1784 | |
| 1785 | /(?s)(.*X|^B)/ |
| 1786 | abcde\n1234Xyz |
| 1787 | BarFoo |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1788 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1789 | abcde\nBar |
| 1790 | |
| 1791 | /(?s:.*X|^B)/ |
| 1792 | abcde\n1234Xyz |
| 1793 | BarFoo |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1794 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1795 | abcde\nBar |
| 1796 | |
| 1797 | /^.*B/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1798 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1799 | abc\nB |
| 1800 | |
| 1801 | /(?s)^.*B/ |
| 1802 | abc\nB |
| 1803 | |
| 1804 | /(?m)^.*B/ |
| 1805 | abc\nB |
| 1806 | |
| 1807 | /(?ms)^.*B/ |
| 1808 | abc\nB |
| 1809 | |
| 1810 | /(?ms)^B/ |
| 1811 | abc\nB |
| 1812 | |
| 1813 | /(?s)B$/ |
| 1814 | B\n |
| 1815 | |
| 1816 | /^[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]/ |
| 1817 | 123456654321 |
| 1818 | |
| 1819 | /^\d\d\d\d\d\d\d\d\d\d\d\d/ |
| 1820 | 123456654321 |
| 1821 | |
| 1822 | /^[\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d][\d]/ |
| 1823 | 123456654321 |
| 1824 | |
| 1825 | /^[abc]{12}/ |
| 1826 | abcabcabcabc |
| 1827 | |
| 1828 | /^[a-c]{12}/ |
| 1829 | abcabcabcabc |
| 1830 | |
| 1831 | /^(a|b|c){12}/ |
| 1832 | abcabcabcabc |
| 1833 | |
| 1834 | /^[abcdefghijklmnopqrstuvwxy0123456789]/ |
| 1835 | n |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1836 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1837 | z |
| 1838 | |
| 1839 | /abcde{0,0}/ |
| 1840 | abcd |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1841 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1842 | abce |
| 1843 | |
| 1844 | /ab[cd]{0,0}e/ |
| 1845 | abe |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1846 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1847 | abcde |
| 1848 | |
| 1849 | /ab(c){0,0}d/ |
| 1850 | abd |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1851 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1852 | abcd |
| 1853 | |
| 1854 | /a(b*)/ |
| 1855 | a |
| 1856 | ab |
| 1857 | abbbb |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1858 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1859 | bbbbb |
| 1860 | |
| 1861 | /ab\d{0}e/ |
| 1862 | abe |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1863 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1864 | ab1e |
| 1865 | |
| 1866 | /"([^\\"]+|\\.)*"/ |
| 1867 | the \"quick\" brown fox |
| 1868 | \"the \\\"quick\\\" brown fox\" |
| 1869 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1870 | /.*?/g,aftertext |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1871 | abc |
| 1872 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1873 | /\b/g,aftertext |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1874 | abc |
| 1875 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1876 | /\b/g,aftertext |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1877 | abc |
| 1878 | |
| 1879 | //g |
| 1880 | abc |
| 1881 | |
| 1882 | /<tr([\w\W\s\d][^<>]{0,})><TD([\w\W\s\d][^<>]{0,})>([\d]{0,}\.)(.*)((<BR>([\w\W\s\d][^<>]{0,})|[\s]{0,}))<\/a><\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><\/TR>/is |
| 1883 | <TR BGCOLOR='#DBE9E9'><TD align=left valign=top>43.<a href='joblist.cfm?JobID=94 6735&Keyword='>Word Processor<BR>(N-1286)</a></TD><TD align=left valign=top>Lega lstaff.com</TD><TD align=left valign=top>CA - Statewide</TD></TR> |
| 1884 | |
| 1885 | /a[^a]b/ |
| 1886 | acb |
| 1887 | a\nb |
| 1888 | |
| 1889 | /a.b/ |
| 1890 | acb |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1891 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1892 | a\nb |
| 1893 | |
| 1894 | /a[^a]b/s |
| 1895 | acb |
| 1896 | a\nb |
| 1897 | |
| 1898 | /a.b/s |
| 1899 | acb |
| 1900 | a\nb |
| 1901 | |
| 1902 | /^(b+?|a){1,2}?c/ |
| 1903 | bac |
| 1904 | bbac |
| 1905 | bbbac |
| 1906 | bbbbac |
| 1907 | bbbbbac |
| 1908 | |
| 1909 | /^(b+|a){1,2}?c/ |
| 1910 | bac |
| 1911 | bbac |
| 1912 | bbbac |
| 1913 | bbbbac |
| 1914 | bbbbbac |
| 1915 | |
| 1916 | /(?!\A)x/m |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1917 | a\bx\n |
| 1918 | a\nx\n |
| 1919 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1920 | x\nb\n |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1921 | |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1922 | /(A|B)*?CD/ |
| 1923 | CD |
| 1924 | |
| 1925 | /(A|B)*CD/ |
| 1926 | CD |
| 1927 | |
| 1928 | /(AB)*?\1/ |
| 1929 | ABABAB |
| 1930 | |
| 1931 | /(AB)*\1/ |
| 1932 | ABABAB |
| 1933 | |
| 1934 | /(?<!bar)foo/ |
| 1935 | foo |
| 1936 | catfood |
| 1937 | arfootle |
| 1938 | rfoosh |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1939 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1940 | barfoo |
| 1941 | towbarfoo |
| 1942 | |
| 1943 | /\w{3}(?<!bar)foo/ |
| 1944 | catfood |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1945 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1946 | foo |
| 1947 | barfoo |
| 1948 | towbarfoo |
| 1949 | |
| 1950 | /(?<=(foo)a)bar/ |
| 1951 | fooabar |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1952 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1953 | bar |
| 1954 | foobbar |
| 1955 | |
| 1956 | /\Aabc\z/m |
| 1957 | abc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1958 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1959 | abc\n |
| 1960 | qqq\nabc |
| 1961 | abc\nzzz |
| 1962 | qqq\nabc\nzzz |
| 1963 | |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 1964 | /(?>.*\/)foo/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1965 | /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/and/foo |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1966 | \= Expect no match |
| 1967 | /this/is/a/very/long/line/in/deed/with/very/many/slashes/in/it/you/see/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1968 | |
| 1969 | /(?>(\.\d\d[1-9]?))\d+/ |
| 1970 | 1.230003938 |
| 1971 | 1.875000282 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1972 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1973 | 1.235 |
| 1974 | |
| 1975 | /^((?>\w+)|(?>\s+))*$/ |
| 1976 | now is the time for all good men to come to the aid of the party |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1977 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1978 | this is not a line with only words and spaces! |
| 1979 | |
| 1980 | /(\d+)(\w)/ |
| 1981 | 12345a |
| 1982 | 12345+ |
| 1983 | |
| 1984 | /((?>\d+))(\w)/ |
| 1985 | 12345a |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 1986 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 1987 | 12345+ |
| 1988 | |
| 1989 | /(?>a+)b/ |
| 1990 | aaab |
| 1991 | |
| 1992 | /((?>a+)b)/ |
| 1993 | aaab |
| 1994 | |
| 1995 | /(?>(a+))b/ |
| 1996 | aaab |
| 1997 | |
| 1998 | /(?>b)+/ |
| 1999 | aaabbbccc |
| 2000 | |
| 2001 | /(?>a+|b+|c+)*c/ |
| 2002 | aaabbbbccccd |
| 2003 | |
| 2004 | /((?>[^()]+)|\([^()]*\))+/ |
| 2005 | ((abc(ade)ufh()()x |
| 2006 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2007 | /\(((?>[^()]+)|\([^()]+\))+\)/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2008 | (abc) |
| 2009 | (abc(def)xyz) |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2010 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2011 | ((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa |
| 2012 | |
| 2013 | /a(?-i)b/i |
| 2014 | ab |
| 2015 | Ab |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2016 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2017 | aB |
| 2018 | AB |
| 2019 | |
| 2020 | /(a (?x)b c)d e/ |
| 2021 | a bcd e |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2022 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2023 | a b cd e |
| 2024 | abcd e |
| 2025 | a bcde |
| 2026 | |
| 2027 | /(a b(?x)c d (?-x)e f)/ |
| 2028 | a bcde f |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2029 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2030 | abcdef |
| 2031 | |
| 2032 | /(a(?i)b)c/ |
| 2033 | abc |
| 2034 | aBc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2035 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2036 | abC |
| 2037 | aBC |
| 2038 | Abc |
| 2039 | ABc |
| 2040 | ABC |
| 2041 | AbC |
| 2042 | |
| 2043 | /a(?i:b)c/ |
| 2044 | abc |
| 2045 | aBc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2046 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2047 | ABC |
| 2048 | abC |
| 2049 | aBC |
| 2050 | |
| 2051 | /a(?i:b)*c/ |
| 2052 | aBc |
| 2053 | aBBc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2054 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2055 | aBC |
| 2056 | aBBC |
| 2057 | |
| 2058 | /a(?=b(?i)c)\w\wd/ |
| 2059 | abcd |
| 2060 | abCd |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2061 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2062 | aBCd |
| 2063 | abcD |
| 2064 | |
| 2065 | /(?s-i:more.*than).*million/i |
| 2066 | more than million |
| 2067 | more than MILLION |
| 2068 | more \n than Million |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2069 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2070 | MORE THAN MILLION |
| 2071 | more \n than \n million |
| 2072 | |
| 2073 | /(?:(?s-i)more.*than).*million/i |
| 2074 | more than million |
| 2075 | more than MILLION |
| 2076 | more \n than Million |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2077 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2078 | MORE THAN MILLION |
| 2079 | more \n than \n million |
| 2080 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2081 | /(?>a(?i)b+)+c/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2082 | abc |
| 2083 | aBbc |
| 2084 | aBBc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2085 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2086 | Abc |
| 2087 | abAb |
| 2088 | abbC |
| 2089 | |
| 2090 | /(?=a(?i)b)\w\wc/ |
| 2091 | abc |
| 2092 | aBc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2093 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2094 | Ab |
| 2095 | abC |
| 2096 | aBC |
| 2097 | |
| 2098 | /(?<=a(?i)b)(\w\w)c/ |
| 2099 | abxxc |
| 2100 | aBxxc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2101 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2102 | Abxxc |
| 2103 | ABxxc |
| 2104 | abxxC |
| 2105 | |
| 2106 | /(?:(a)|b)(?(1)A|B)/ |
| 2107 | aA |
| 2108 | bB |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2109 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2110 | aB |
| 2111 | bA |
| 2112 | |
| 2113 | /^(a)?(?(1)a|b)+$/ |
| 2114 | aa |
| 2115 | b |
| 2116 | bb |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2117 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2118 | ab |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2119 | |
| 2120 | # Perl gets this next one wrong if the pattern ends with $; in that case it |
| 2121 | # fails to match "12". |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2122 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2123 | /^(?(?=abc)\w{3}:|\d\d)/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2124 | abc: |
| 2125 | 12 |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2126 | 123 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2127 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2128 | xyz |
| 2129 | |
| 2130 | /^(?(?!abc)\d\d|\w{3}:)$/ |
| 2131 | abc: |
| 2132 | 12 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2133 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2134 | 123 |
| 2135 | xyz |
| 2136 | |
| 2137 | /(?(?<=foo)bar|cat)/ |
| 2138 | foobar |
| 2139 | cat |
| 2140 | fcat |
| 2141 | focat |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2142 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2143 | foocat |
| 2144 | |
| 2145 | /(?(?<!foo)cat|bar)/ |
| 2146 | foobar |
| 2147 | cat |
| 2148 | fcat |
| 2149 | focat |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2150 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2151 | foocat |
| 2152 | |
| 2153 | /( \( )? [^()]+ (?(1) \) |) /x |
| 2154 | abcd |
| 2155 | (abcd) |
| 2156 | the quick (abcd) fox |
| 2157 | (abcd |
| 2158 | |
| 2159 | /( \( )? [^()]+ (?(1) \) ) /x |
| 2160 | abcd |
| 2161 | (abcd) |
| 2162 | the quick (abcd) fox |
| 2163 | (abcd |
| 2164 | |
| 2165 | /^(?(2)a|(1)(2))+$/ |
| 2166 | 12 |
| 2167 | 12a |
| 2168 | 12aa |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2169 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2170 | 1234 |
| 2171 | |
| 2172 | /((?i)blah)\s+\1/ |
| 2173 | blah blah |
| 2174 | BLAH BLAH |
| 2175 | Blah Blah |
| 2176 | blaH blaH |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2177 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2178 | blah BLAH |
| 2179 | Blah blah |
| 2180 | blaH blah |
| 2181 | |
| 2182 | /((?i)blah)\s+(?i:\1)/ |
| 2183 | blah blah |
| 2184 | BLAH BLAH |
| 2185 | Blah Blah |
| 2186 | blaH blaH |
| 2187 | blah BLAH |
| 2188 | Blah blah |
| 2189 | blaH blah |
| 2190 | |
Elliott Hughes | 653c210 | 2019-01-09 15:41:36 -0800 | [diff] [blame] | 2191 | /((?i)blah)\s+(?m)A(?i:\1)/ |
| 2192 | blah ABLAH |
| 2193 | \= Expect no match |
| 2194 | blah aBLAH |
| 2195 | |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2196 | /(?>a*)*/ |
| 2197 | a |
| 2198 | aa |
| 2199 | aaaa |
| 2200 | |
| 2201 | /(abc|)+/ |
| 2202 | abc |
| 2203 | abcabc |
| 2204 | abcabcabc |
| 2205 | xyz |
| 2206 | |
| 2207 | /([a]*)*/ |
| 2208 | a |
| 2209 | aaaaa |
| 2210 | |
| 2211 | /([ab]*)*/ |
| 2212 | a |
| 2213 | b |
| 2214 | ababab |
| 2215 | aaaabcde |
| 2216 | bbbb |
| 2217 | |
| 2218 | /([^a]*)*/ |
| 2219 | b |
| 2220 | bbbb |
| 2221 | aaa |
| 2222 | |
| 2223 | /([^ab]*)*/ |
| 2224 | cccc |
| 2225 | abab |
| 2226 | |
| 2227 | /([a]*?)*/ |
| 2228 | a |
| 2229 | aaaa |
| 2230 | |
| 2231 | /([ab]*?)*/ |
| 2232 | a |
| 2233 | b |
| 2234 | abab |
| 2235 | baba |
| 2236 | |
| 2237 | /([^a]*?)*/ |
| 2238 | b |
| 2239 | bbbb |
| 2240 | aaa |
| 2241 | |
| 2242 | /([^ab]*?)*/ |
| 2243 | c |
| 2244 | cccc |
| 2245 | baba |
| 2246 | |
| 2247 | /(?>a*)*/ |
| 2248 | a |
| 2249 | aaabcde |
| 2250 | |
| 2251 | /((?>a*))*/ |
| 2252 | aaaaa |
| 2253 | aabbaa |
| 2254 | |
| 2255 | /((?>a*?))*/ |
| 2256 | aaaaa |
| 2257 | aabbaa |
| 2258 | |
| 2259 | /(?(?=[^a-z]+[a-z]) \d{2}-[a-z]{3}-\d{2} | \d{2}-\d{2}-\d{2} ) /x |
| 2260 | 12-sep-98 |
| 2261 | 12-09-98 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2262 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2263 | sep-12-98 |
| 2264 | |
| 2265 | /(?<=(foo))bar\1/ |
| 2266 | foobarfoo |
| 2267 | foobarfootling |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2268 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2269 | foobar |
| 2270 | barfoo |
| 2271 | |
| 2272 | /(?i:saturday|sunday)/ |
| 2273 | saturday |
| 2274 | sunday |
| 2275 | Saturday |
| 2276 | Sunday |
| 2277 | SATURDAY |
| 2278 | SUNDAY |
| 2279 | SunDay |
| 2280 | |
| 2281 | /(a(?i)bc|BB)x/ |
| 2282 | abcx |
| 2283 | aBCx |
| 2284 | bbx |
| 2285 | BBx |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2286 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2287 | abcX |
| 2288 | aBCX |
| 2289 | bbX |
| 2290 | BBX |
| 2291 | |
| 2292 | /^([ab](?i)[cd]|[ef])/ |
| 2293 | ac |
| 2294 | aC |
| 2295 | bD |
| 2296 | elephant |
| 2297 | Europe |
| 2298 | frog |
| 2299 | France |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2300 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2301 | Africa |
| 2302 | |
| 2303 | /^(ab|a(?i)[b-c](?m-i)d|x(?i)y|z)/ |
| 2304 | ab |
| 2305 | aBd |
| 2306 | xy |
| 2307 | xY |
| 2308 | zebra |
| 2309 | Zambesi |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2310 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2311 | aCD |
| 2312 | XY |
| 2313 | |
| 2314 | /(?<=foo\n)^bar/m |
| 2315 | foo\nbar |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2316 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2317 | bar |
| 2318 | baz\nbar |
| 2319 | |
| 2320 | /(?<=(?<!foo)bar)baz/ |
| 2321 | barbaz |
| 2322 | barbarbaz |
| 2323 | koobarbaz |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2324 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2325 | baz |
| 2326 | foobarbaz |
| 2327 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2328 | # The cases of aaaa and aaaaaa are missed out below because Perl does things |
| 2329 | # differently. We know that odd, and maybe incorrect, things happen with |
| 2330 | # recursive references in Perl, as far as 5.11.3 - see some stuff in test #2. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2331 | |
| 2332 | /^(a\1?){4}$/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2333 | aaaaa |
| 2334 | aaaaaaa |
| 2335 | aaaaaaaaaa |
| 2336 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2337 | a |
| 2338 | aa |
| 2339 | aaa |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2340 | aaaaaaaa |
| 2341 | aaaaaaaaa |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2342 | aaaaaaaaaaa |
| 2343 | aaaaaaaaaaaa |
| 2344 | aaaaaaaaaaaaa |
| 2345 | aaaaaaaaaaaaaa |
| 2346 | aaaaaaaaaaaaaaa |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2347 | aaaaaaaaaaaaaaaa |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2348 | |
| 2349 | /^(a\1?)(a\1?)(a\2?)(a\3?)$/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2350 | aaaa |
| 2351 | aaaaa |
| 2352 | aaaaaa |
| 2353 | aaaaaaa |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2354 | aaaaaaaaaa |
| 2355 | \= Expect no match |
| 2356 | a |
| 2357 | aa |
| 2358 | aaa |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2359 | aaaaaaaa |
| 2360 | aaaaaaaaa |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2361 | aaaaaaaaaaa |
| 2362 | aaaaaaaaaaaa |
| 2363 | aaaaaaaaaaaaa |
| 2364 | aaaaaaaaaaaaaa |
| 2365 | aaaaaaaaaaaaaaa |
| 2366 | aaaaaaaaaaaaaaaa |
| 2367 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2368 | # The following tests are taken from the Perl 5.005 test suite; some of them |
| 2369 | # are compatible with 5.004, but I'd rather not have to sort them out. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2370 | |
| 2371 | /abc/ |
| 2372 | abc |
| 2373 | xabcy |
| 2374 | ababc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2375 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2376 | xbc |
| 2377 | axc |
| 2378 | abx |
| 2379 | |
| 2380 | /ab*c/ |
| 2381 | abc |
| 2382 | |
| 2383 | /ab*bc/ |
| 2384 | abc |
| 2385 | abbc |
| 2386 | abbbbc |
| 2387 | |
| 2388 | /.{1}/ |
| 2389 | abbbbc |
| 2390 | |
| 2391 | /.{3,4}/ |
| 2392 | abbbbc |
| 2393 | |
| 2394 | /ab{0,}bc/ |
| 2395 | abbbbc |
| 2396 | |
| 2397 | /ab+bc/ |
| 2398 | abbc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2399 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2400 | abc |
| 2401 | abq |
| 2402 | |
| 2403 | /ab{1,}bc/ |
| 2404 | |
| 2405 | /ab+bc/ |
| 2406 | abbbbc |
| 2407 | |
| 2408 | /ab{1,}bc/ |
| 2409 | abbbbc |
| 2410 | |
| 2411 | /ab{1,3}bc/ |
| 2412 | abbbbc |
| 2413 | |
| 2414 | /ab{3,4}bc/ |
| 2415 | abbbbc |
| 2416 | |
| 2417 | /ab{4,5}bc/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2418 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2419 | abq |
| 2420 | abbbbc |
| 2421 | |
| 2422 | /ab?bc/ |
| 2423 | abbc |
| 2424 | abc |
| 2425 | |
| 2426 | /ab{0,1}bc/ |
| 2427 | abc |
| 2428 | |
| 2429 | /ab?bc/ |
| 2430 | |
| 2431 | /ab?c/ |
| 2432 | abc |
| 2433 | |
| 2434 | /ab{0,1}c/ |
| 2435 | abc |
| 2436 | |
| 2437 | /^abc$/ |
| 2438 | abc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2439 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2440 | abbbbc |
| 2441 | abcc |
| 2442 | |
| 2443 | /^abc/ |
| 2444 | abcc |
| 2445 | |
| 2446 | /^abc$/ |
| 2447 | |
| 2448 | /abc$/ |
| 2449 | aabc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2450 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2451 | aabcd |
| 2452 | |
| 2453 | /^/ |
| 2454 | abc |
| 2455 | |
| 2456 | /$/ |
| 2457 | abc |
| 2458 | |
| 2459 | /a.c/ |
| 2460 | abc |
| 2461 | axc |
| 2462 | |
| 2463 | /a.*c/ |
| 2464 | axyzc |
| 2465 | |
| 2466 | /a[bc]d/ |
| 2467 | abd |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2468 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2469 | axyzd |
| 2470 | abc |
| 2471 | |
| 2472 | /a[b-d]e/ |
| 2473 | ace |
| 2474 | |
| 2475 | /a[b-d]/ |
| 2476 | aac |
| 2477 | |
| 2478 | /a[-b]/ |
| 2479 | a- |
| 2480 | |
| 2481 | /a[b-]/ |
| 2482 | a- |
| 2483 | |
| 2484 | /a]/ |
| 2485 | a] |
| 2486 | |
| 2487 | /a[]]b/ |
| 2488 | a]b |
| 2489 | |
| 2490 | /a[^bc]d/ |
| 2491 | aed |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2492 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2493 | abd |
| 2494 | abd |
| 2495 | |
| 2496 | /a[^-b]c/ |
| 2497 | adc |
| 2498 | |
| 2499 | /a[^]b]c/ |
| 2500 | adc |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2501 | a-c |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2502 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2503 | a]c |
| 2504 | |
| 2505 | /\ba\b/ |
| 2506 | a- |
| 2507 | -a |
| 2508 | -a- |
| 2509 | |
| 2510 | /\by\b/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2511 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2512 | xy |
| 2513 | yz |
| 2514 | xyz |
| 2515 | |
| 2516 | /\Ba\B/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2517 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2518 | a- |
| 2519 | -a |
| 2520 | -a- |
| 2521 | |
| 2522 | /\By\b/ |
| 2523 | xy |
| 2524 | |
| 2525 | /\by\B/ |
| 2526 | yz |
| 2527 | |
| 2528 | /\By\B/ |
| 2529 | xyz |
| 2530 | |
| 2531 | /\w/ |
| 2532 | a |
| 2533 | |
| 2534 | /\W/ |
| 2535 | - |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2536 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2537 | a |
| 2538 | |
| 2539 | /a\sb/ |
| 2540 | a b |
| 2541 | |
| 2542 | /a\Sb/ |
| 2543 | a-b |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2544 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2545 | a b |
| 2546 | |
| 2547 | /\d/ |
| 2548 | 1 |
| 2549 | |
| 2550 | /\D/ |
| 2551 | - |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2552 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2553 | 1 |
| 2554 | |
| 2555 | /[\w]/ |
| 2556 | a |
| 2557 | |
| 2558 | /[\W]/ |
| 2559 | - |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2560 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2561 | a |
| 2562 | |
| 2563 | /a[\s]b/ |
| 2564 | a b |
| 2565 | |
| 2566 | /a[\S]b/ |
| 2567 | a-b |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2568 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2569 | a b |
| 2570 | |
| 2571 | /[\d]/ |
| 2572 | 1 |
| 2573 | |
| 2574 | /[\D]/ |
| 2575 | - |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2576 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2577 | 1 |
| 2578 | |
| 2579 | /ab|cd/ |
| 2580 | abc |
| 2581 | abcd |
| 2582 | |
| 2583 | /()ef/ |
| 2584 | def |
| 2585 | |
| 2586 | /$b/ |
| 2587 | |
| 2588 | /a\(b/ |
| 2589 | a(b |
| 2590 | |
| 2591 | /a\(*b/ |
| 2592 | ab |
| 2593 | a((b |
| 2594 | |
| 2595 | /a\\b/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2596 | a\\b |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2597 | |
| 2598 | /((a))/ |
| 2599 | abc |
| 2600 | |
| 2601 | /(a)b(c)/ |
| 2602 | abc |
| 2603 | |
| 2604 | /a+b+c/ |
| 2605 | aabbabc |
| 2606 | |
| 2607 | /a{1,}b{1,}c/ |
| 2608 | aabbabc |
| 2609 | |
| 2610 | /a.+?c/ |
| 2611 | abcabc |
| 2612 | |
| 2613 | /(a+|b)*/ |
| 2614 | ab |
| 2615 | |
| 2616 | /(a+|b){0,}/ |
| 2617 | ab |
| 2618 | |
| 2619 | /(a+|b)+/ |
| 2620 | ab |
| 2621 | |
| 2622 | /(a+|b){1,}/ |
| 2623 | ab |
| 2624 | |
| 2625 | /(a+|b)?/ |
| 2626 | ab |
| 2627 | |
| 2628 | /(a+|b){0,1}/ |
| 2629 | ab |
| 2630 | |
| 2631 | /[^ab]*/ |
| 2632 | cde |
| 2633 | |
| 2634 | /abc/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2635 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2636 | b |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2637 | |
| 2638 | /a*/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2639 | \ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2640 | |
| 2641 | /([abc])*d/ |
| 2642 | abbbcd |
| 2643 | |
| 2644 | /([abc])*bcd/ |
| 2645 | abcd |
| 2646 | |
| 2647 | /a|b|c|d|e/ |
| 2648 | e |
| 2649 | |
| 2650 | /(a|b|c|d|e)f/ |
| 2651 | ef |
| 2652 | |
| 2653 | /abcd*efg/ |
| 2654 | abcdefg |
| 2655 | |
| 2656 | /ab*/ |
| 2657 | xabyabbbz |
| 2658 | xayabbbz |
| 2659 | |
| 2660 | /(ab|cd)e/ |
| 2661 | abcde |
| 2662 | |
| 2663 | /[abhgefdc]ij/ |
| 2664 | hij |
| 2665 | |
| 2666 | /^(ab|cd)e/ |
| 2667 | |
| 2668 | /(abc|)ef/ |
| 2669 | abcdef |
| 2670 | |
| 2671 | /(a|b)c*d/ |
| 2672 | abcd |
| 2673 | |
| 2674 | /(ab|ab*)bc/ |
| 2675 | abc |
| 2676 | |
| 2677 | /a([bc]*)c*/ |
| 2678 | abc |
| 2679 | |
| 2680 | /a([bc]*)(c*d)/ |
| 2681 | abcd |
| 2682 | |
| 2683 | /a([bc]+)(c*d)/ |
| 2684 | abcd |
| 2685 | |
| 2686 | /a([bc]*)(c+d)/ |
| 2687 | abcd |
| 2688 | |
| 2689 | /a[bcd]*dcdcde/ |
| 2690 | adcdcde |
| 2691 | |
| 2692 | /a[bcd]+dcdcde/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2693 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2694 | abcde |
| 2695 | adcdcde |
| 2696 | |
| 2697 | /(ab|a)b*c/ |
| 2698 | abc |
| 2699 | |
| 2700 | /((a)(b)c)(d)/ |
| 2701 | abcd |
| 2702 | |
| 2703 | /[a-zA-Z_][a-zA-Z0-9_]*/ |
| 2704 | alpha |
| 2705 | |
| 2706 | /^a(bc+|b[eh])g|.h$/ |
| 2707 | abh |
| 2708 | |
| 2709 | /(bc+d$|ef*g.|h?i(j|k))/ |
| 2710 | effgz |
| 2711 | ij |
| 2712 | reffgz |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2713 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2714 | effg |
| 2715 | bcdd |
| 2716 | |
| 2717 | /((((((((((a))))))))))/ |
| 2718 | a |
| 2719 | |
| 2720 | /((((((((((a))))))))))\10/ |
| 2721 | aa |
| 2722 | |
| 2723 | /(((((((((a)))))))))/ |
| 2724 | a |
| 2725 | |
| 2726 | /multiple words of text/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2727 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2728 | aa |
| 2729 | uh-uh |
| 2730 | |
| 2731 | /multiple words/ |
| 2732 | multiple words, yeah |
| 2733 | |
| 2734 | /(.*)c(.*)/ |
| 2735 | abcde |
| 2736 | |
| 2737 | /\((.*), (.*)\)/ |
| 2738 | (a, b) |
| 2739 | |
| 2740 | /[k]/ |
| 2741 | |
| 2742 | /abcd/ |
| 2743 | abcd |
| 2744 | |
| 2745 | /a(bc)d/ |
| 2746 | abcd |
| 2747 | |
| 2748 | /a[-]?c/ |
| 2749 | ac |
| 2750 | |
| 2751 | /(abc)\1/ |
| 2752 | abcabc |
| 2753 | |
| 2754 | /([a-c]*)\1/ |
| 2755 | abcabc |
| 2756 | |
| 2757 | /(a)|\1/ |
| 2758 | a |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2759 | ab |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2760 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2761 | x |
| 2762 | |
| 2763 | /(([a-c])b*?\2)*/ |
| 2764 | ababbbcbc |
| 2765 | |
| 2766 | /(([a-c])b*?\2){3}/ |
| 2767 | ababbbcbc |
| 2768 | |
| 2769 | /((\3|b)\2(a)x)+/ |
| 2770 | aaaxabaxbaaxbbax |
| 2771 | |
| 2772 | /((\3|b)\2(a)){2,}/ |
| 2773 | bbaababbabaaaaabbaaaabba |
| 2774 | |
| 2775 | /abc/i |
| 2776 | ABC |
| 2777 | XABCY |
| 2778 | ABABC |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2779 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2780 | aaxabxbaxbbx |
| 2781 | XBC |
| 2782 | AXC |
| 2783 | ABX |
| 2784 | |
| 2785 | /ab*c/i |
| 2786 | ABC |
| 2787 | |
| 2788 | /ab*bc/i |
| 2789 | ABC |
| 2790 | ABBC |
| 2791 | |
| 2792 | /ab*?bc/i |
| 2793 | ABBBBC |
| 2794 | |
| 2795 | /ab{0,}?bc/i |
| 2796 | ABBBBC |
| 2797 | |
| 2798 | /ab+?bc/i |
| 2799 | ABBC |
| 2800 | |
| 2801 | /ab+bc/i |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2802 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2803 | ABC |
| 2804 | ABQ |
| 2805 | |
| 2806 | /ab{1,}bc/i |
| 2807 | |
| 2808 | /ab+bc/i |
| 2809 | ABBBBC |
| 2810 | |
| 2811 | /ab{1,}?bc/i |
| 2812 | ABBBBC |
| 2813 | |
| 2814 | /ab{1,3}?bc/i |
| 2815 | ABBBBC |
| 2816 | |
| 2817 | /ab{3,4}?bc/i |
| 2818 | ABBBBC |
| 2819 | |
| 2820 | /ab{4,5}?bc/i |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2821 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2822 | ABQ |
| 2823 | ABBBBC |
| 2824 | |
| 2825 | /ab??bc/i |
| 2826 | ABBC |
| 2827 | ABC |
| 2828 | |
| 2829 | /ab{0,1}?bc/i |
| 2830 | ABC |
| 2831 | |
| 2832 | /ab??bc/i |
| 2833 | |
| 2834 | /ab??c/i |
| 2835 | ABC |
| 2836 | |
| 2837 | /ab{0,1}?c/i |
| 2838 | ABC |
| 2839 | |
| 2840 | /^abc$/i |
| 2841 | ABC |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2842 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2843 | ABBBBC |
| 2844 | ABCC |
| 2845 | |
| 2846 | /^abc/i |
| 2847 | ABCC |
| 2848 | |
| 2849 | /^abc$/i |
| 2850 | |
| 2851 | /abc$/i |
| 2852 | AABC |
| 2853 | |
| 2854 | /^/i |
| 2855 | ABC |
| 2856 | |
| 2857 | /$/i |
| 2858 | ABC |
| 2859 | |
| 2860 | /a.c/i |
| 2861 | ABC |
| 2862 | AXC |
| 2863 | |
| 2864 | /a.*?c/i |
| 2865 | AXYZC |
| 2866 | |
| 2867 | /a.*c/i |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2868 | AABC |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2869 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2870 | AXYZD |
| 2871 | |
| 2872 | /a[bc]d/i |
| 2873 | ABD |
| 2874 | |
| 2875 | /a[b-d]e/i |
| 2876 | ACE |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2877 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2878 | ABC |
| 2879 | ABD |
| 2880 | |
| 2881 | /a[b-d]/i |
| 2882 | AAC |
| 2883 | |
| 2884 | /a[-b]/i |
| 2885 | A- |
| 2886 | |
| 2887 | /a[b-]/i |
| 2888 | A- |
| 2889 | |
| 2890 | /a]/i |
| 2891 | A] |
| 2892 | |
| 2893 | /a[]]b/i |
| 2894 | A]B |
| 2895 | |
| 2896 | /a[^bc]d/i |
| 2897 | AED |
| 2898 | |
| 2899 | /a[^-b]c/i |
| 2900 | ADC |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2901 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2902 | ABD |
| 2903 | A-C |
| 2904 | |
| 2905 | /a[^]b]c/i |
| 2906 | ADC |
| 2907 | |
| 2908 | /ab|cd/i |
| 2909 | ABC |
| 2910 | ABCD |
| 2911 | |
| 2912 | /()ef/i |
| 2913 | DEF |
| 2914 | |
| 2915 | /$b/i |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2916 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2917 | A]C |
| 2918 | B |
| 2919 | |
| 2920 | /a\(b/i |
| 2921 | A(B |
| 2922 | |
| 2923 | /a\(*b/i |
| 2924 | AB |
| 2925 | A((B |
| 2926 | |
| 2927 | /a\\b/i |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 2928 | A\\b |
| 2929 | a\\B |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2930 | |
| 2931 | /((a))/i |
| 2932 | ABC |
| 2933 | |
| 2934 | /(a)b(c)/i |
| 2935 | ABC |
| 2936 | |
| 2937 | /a+b+c/i |
| 2938 | AABBABC |
| 2939 | |
| 2940 | /a{1,}b{1,}c/i |
| 2941 | AABBABC |
| 2942 | |
| 2943 | /a.+?c/i |
| 2944 | ABCABC |
| 2945 | |
| 2946 | /a.*?c/i |
| 2947 | ABCABC |
| 2948 | |
| 2949 | /a.{0,5}?c/i |
| 2950 | ABCABC |
| 2951 | |
| 2952 | /(a+|b)*/i |
| 2953 | AB |
| 2954 | |
| 2955 | /(a+|b){0,}/i |
| 2956 | AB |
| 2957 | |
| 2958 | /(a+|b)+/i |
| 2959 | AB |
| 2960 | |
| 2961 | /(a+|b){1,}/i |
| 2962 | AB |
| 2963 | |
| 2964 | /(a+|b)?/i |
| 2965 | AB |
| 2966 | |
| 2967 | /(a+|b){0,1}/i |
| 2968 | AB |
| 2969 | |
| 2970 | /(a+|b){0,1}?/i |
| 2971 | AB |
| 2972 | |
| 2973 | /[^ab]*/i |
| 2974 | CDE |
| 2975 | |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 2976 | /([abc])*d/i |
| 2977 | ABBBCD |
| 2978 | |
| 2979 | /([abc])*bcd/i |
| 2980 | ABCD |
| 2981 | |
| 2982 | /a|b|c|d|e/i |
| 2983 | E |
| 2984 | |
| 2985 | /(a|b|c|d|e)f/i |
| 2986 | EF |
| 2987 | |
| 2988 | /abcd*efg/i |
| 2989 | ABCDEFG |
| 2990 | |
| 2991 | /ab*/i |
| 2992 | XABYABBBZ |
| 2993 | XAYABBBZ |
| 2994 | |
| 2995 | /(ab|cd)e/i |
| 2996 | ABCDE |
| 2997 | |
| 2998 | /[abhgefdc]ij/i |
| 2999 | HIJ |
| 3000 | |
| 3001 | /^(ab|cd)e/i |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3002 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3003 | ABCDE |
| 3004 | |
| 3005 | /(abc|)ef/i |
| 3006 | ABCDEF |
| 3007 | |
| 3008 | /(a|b)c*d/i |
| 3009 | ABCD |
| 3010 | |
| 3011 | /(ab|ab*)bc/i |
| 3012 | ABC |
| 3013 | |
| 3014 | /a([bc]*)c*/i |
| 3015 | ABC |
| 3016 | |
| 3017 | /a([bc]*)(c*d)/i |
| 3018 | ABCD |
| 3019 | |
| 3020 | /a([bc]+)(c*d)/i |
| 3021 | ABCD |
| 3022 | |
| 3023 | /a([bc]*)(c+d)/i |
| 3024 | ABCD |
| 3025 | |
| 3026 | /a[bcd]*dcdcde/i |
| 3027 | ADCDCDE |
| 3028 | |
| 3029 | /a[bcd]+dcdcde/i |
| 3030 | |
| 3031 | /(ab|a)b*c/i |
| 3032 | ABC |
| 3033 | |
| 3034 | /((a)(b)c)(d)/i |
| 3035 | ABCD |
| 3036 | |
| 3037 | /[a-zA-Z_][a-zA-Z0-9_]*/i |
| 3038 | ALPHA |
| 3039 | |
| 3040 | /^a(bc+|b[eh])g|.h$/i |
| 3041 | ABH |
| 3042 | |
| 3043 | /(bc+d$|ef*g.|h?i(j|k))/i |
| 3044 | EFFGZ |
| 3045 | IJ |
| 3046 | REFFGZ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3047 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3048 | ADCDCDE |
| 3049 | EFFG |
| 3050 | BCDD |
| 3051 | |
| 3052 | /((((((((((a))))))))))/i |
| 3053 | A |
| 3054 | |
| 3055 | /((((((((((a))))))))))\10/i |
| 3056 | AA |
| 3057 | |
| 3058 | /(((((((((a)))))))))/i |
| 3059 | A |
| 3060 | |
| 3061 | /(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))/i |
| 3062 | A |
| 3063 | |
| 3064 | /(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))/i |
| 3065 | C |
| 3066 | |
| 3067 | /multiple words of text/i |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3068 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3069 | AA |
| 3070 | UH-UH |
| 3071 | |
| 3072 | /multiple words/i |
| 3073 | MULTIPLE WORDS, YEAH |
| 3074 | |
| 3075 | /(.*)c(.*)/i |
| 3076 | ABCDE |
| 3077 | |
| 3078 | /\((.*), (.*)\)/i |
| 3079 | (A, B) |
| 3080 | |
| 3081 | /[k]/i |
| 3082 | |
| 3083 | /abcd/i |
| 3084 | ABCD |
| 3085 | |
| 3086 | /a(bc)d/i |
| 3087 | ABCD |
| 3088 | |
| 3089 | /a[-]?c/i |
| 3090 | AC |
| 3091 | |
| 3092 | /(abc)\1/i |
| 3093 | ABCABC |
| 3094 | |
| 3095 | /([a-c]*)\1/i |
| 3096 | ABCABC |
| 3097 | |
| 3098 | /a(?!b)./ |
| 3099 | abad |
| 3100 | |
| 3101 | /a(?=d)./ |
| 3102 | abad |
| 3103 | |
| 3104 | /a(?=c|d)./ |
| 3105 | abad |
| 3106 | |
| 3107 | /a(?:b|c|d)(.)/ |
| 3108 | ace |
| 3109 | |
| 3110 | /a(?:b|c|d)*(.)/ |
| 3111 | ace |
| 3112 | |
| 3113 | /a(?:b|c|d)+?(.)/ |
| 3114 | ace |
| 3115 | acdbcdbe |
| 3116 | |
| 3117 | /a(?:b|c|d)+(.)/ |
| 3118 | acdbcdbe |
| 3119 | |
| 3120 | /a(?:b|c|d){2}(.)/ |
| 3121 | acdbcdbe |
| 3122 | |
| 3123 | /a(?:b|c|d){4,5}(.)/ |
| 3124 | acdbcdbe |
| 3125 | |
| 3126 | /a(?:b|c|d){4,5}?(.)/ |
| 3127 | acdbcdbe |
| 3128 | |
| 3129 | /((foo)|(bar))*/ |
| 3130 | foobar |
| 3131 | |
| 3132 | /a(?:b|c|d){6,7}(.)/ |
| 3133 | acdbcdbe |
| 3134 | |
| 3135 | /a(?:b|c|d){6,7}?(.)/ |
| 3136 | acdbcdbe |
| 3137 | |
| 3138 | /a(?:b|c|d){5,6}(.)/ |
| 3139 | acdbcdbe |
| 3140 | |
| 3141 | /a(?:b|c|d){5,6}?(.)/ |
| 3142 | acdbcdbe |
| 3143 | |
| 3144 | /a(?:b|c|d){5,7}(.)/ |
| 3145 | acdbcdbe |
| 3146 | |
| 3147 | /a(?:b|c|d){5,7}?(.)/ |
| 3148 | acdbcdbe |
| 3149 | |
| 3150 | /a(?:b|(c|e){1,2}?|d)+?(.)/ |
| 3151 | ace |
| 3152 | |
| 3153 | /^(.+)?B/ |
| 3154 | AB |
| 3155 | |
| 3156 | /^([^a-z])|(\^)$/ |
| 3157 | . |
| 3158 | |
| 3159 | /^[<>]&/ |
| 3160 | <&OUT |
| 3161 | |
| 3162 | /^(a\1?){4}$/ |
| 3163 | aaaaaaaaaa |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3164 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3165 | AB |
| 3166 | aaaaaaaaa |
| 3167 | aaaaaaaaaaa |
| 3168 | |
| 3169 | /^(a(?(1)\1)){4}$/ |
| 3170 | aaaaaaaaaa |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3171 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3172 | aaaaaaaaa |
| 3173 | aaaaaaaaaaa |
| 3174 | |
| 3175 | /(?:(f)(o)(o)|(b)(a)(r))*/ |
| 3176 | foobar |
| 3177 | |
| 3178 | /(?<=a)b/ |
| 3179 | ab |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3180 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3181 | cb |
| 3182 | b |
| 3183 | |
| 3184 | /(?<!c)b/ |
| 3185 | ab |
| 3186 | b |
| 3187 | b |
| 3188 | |
| 3189 | /(?:..)*a/ |
| 3190 | aba |
| 3191 | |
| 3192 | /(?:..)*?a/ |
| 3193 | aba |
| 3194 | |
| 3195 | /^(?:b|a(?=(.)))*\1/ |
| 3196 | abc |
| 3197 | |
| 3198 | /^(){3,5}/ |
| 3199 | abc |
| 3200 | |
| 3201 | /^(a+)*ax/ |
| 3202 | aax |
| 3203 | |
| 3204 | /^((a|b)+)*ax/ |
| 3205 | aax |
| 3206 | |
| 3207 | /^((a|bc)+)*ax/ |
| 3208 | aax |
| 3209 | |
| 3210 | /(a|x)*ab/ |
| 3211 | cab |
| 3212 | |
| 3213 | /(a)*ab/ |
| 3214 | cab |
| 3215 | |
| 3216 | /(?:(?i)a)b/ |
| 3217 | ab |
| 3218 | |
| 3219 | /((?i)a)b/ |
| 3220 | ab |
| 3221 | |
| 3222 | /(?:(?i)a)b/ |
| 3223 | Ab |
| 3224 | |
| 3225 | /((?i)a)b/ |
| 3226 | Ab |
| 3227 | |
| 3228 | /(?:(?i)a)b/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3229 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3230 | cb |
| 3231 | aB |
| 3232 | |
| 3233 | /((?i)a)b/ |
| 3234 | |
| 3235 | /(?i:a)b/ |
| 3236 | ab |
| 3237 | |
| 3238 | /((?i:a))b/ |
| 3239 | ab |
| 3240 | |
| 3241 | /(?i:a)b/ |
| 3242 | Ab |
| 3243 | |
| 3244 | /((?i:a))b/ |
| 3245 | Ab |
| 3246 | |
| 3247 | /(?i:a)b/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3248 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3249 | aB |
| 3250 | aB |
| 3251 | |
| 3252 | /((?i:a))b/ |
| 3253 | |
| 3254 | /(?:(?-i)a)b/i |
| 3255 | ab |
| 3256 | |
| 3257 | /((?-i)a)b/i |
| 3258 | ab |
| 3259 | |
| 3260 | /(?:(?-i)a)b/i |
| 3261 | aB |
| 3262 | |
| 3263 | /((?-i)a)b/i |
| 3264 | aB |
| 3265 | |
| 3266 | /(?:(?-i)a)b/i |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3267 | aB |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3268 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3269 | Ab |
| 3270 | AB |
| 3271 | |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3272 | /(?-i:a)b/i |
| 3273 | ab |
| 3274 | |
| 3275 | /((?-i:a))b/i |
| 3276 | ab |
| 3277 | |
| 3278 | /(?-i:a)b/i |
| 3279 | aB |
| 3280 | |
| 3281 | /((?-i:a))b/i |
| 3282 | aB |
| 3283 | |
| 3284 | /(?-i:a)b/i |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3285 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3286 | AB |
| 3287 | Ab |
| 3288 | |
| 3289 | /((?-i:a))b/i |
| 3290 | |
| 3291 | /(?-i:a)b/i |
| 3292 | aB |
| 3293 | |
| 3294 | /((?-i:a))b/i |
| 3295 | aB |
| 3296 | |
| 3297 | /(?-i:a)b/i |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3298 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3299 | Ab |
| 3300 | AB |
| 3301 | |
| 3302 | /((?-i:a))b/i |
| 3303 | |
| 3304 | /((?-i:a.))b/i |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3305 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3306 | AB |
| 3307 | a\nB |
| 3308 | |
| 3309 | /((?s-i:a.))b/i |
| 3310 | a\nB |
| 3311 | |
| 3312 | /(?:c|d)(?:)(?:a(?:)(?:b)(?:b(?:))(?:b(?:)(?:b)))/ |
| 3313 | cabbbb |
| 3314 | |
| 3315 | /(?:c|d)(?:)(?:aaaaaaaa(?:)(?:bbbbbbbb)(?:bbbbbbbb(?:))(?:bbbbbbbb(?:)(?:bbbbbbbb)))/ |
| 3316 | caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb |
| 3317 | |
| 3318 | /(ab)\d\1/i |
| 3319 | Ab4ab |
| 3320 | ab4Ab |
| 3321 | |
| 3322 | /foo\w*\d{4}baz/ |
| 3323 | foobar1234baz |
| 3324 | |
| 3325 | /x(~~)*(?:(?:F)?)?/ |
| 3326 | x~~ |
| 3327 | |
| 3328 | /^a(?#xxx){3}c/ |
| 3329 | aaac |
| 3330 | |
| 3331 | /^a (?#xxx) (?#yyy) {3}c/x |
| 3332 | aaac |
| 3333 | |
| 3334 | /(?<![cd])b/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3335 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3336 | B\nB |
| 3337 | dbcb |
| 3338 | |
| 3339 | /(?<![cd])[ab]/ |
| 3340 | dbaacb |
| 3341 | |
| 3342 | /(?<!(c|d))b/ |
| 3343 | |
| 3344 | /(?<!(c|d))[ab]/ |
| 3345 | dbaacb |
| 3346 | |
| 3347 | /(?<!cd)[ab]/ |
| 3348 | cdaccb |
| 3349 | |
| 3350 | /^(?:a?b?)*$/ |
| 3351 | \ |
| 3352 | a |
| 3353 | ab |
| 3354 | aaa |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3355 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3356 | dbcb |
| 3357 | a-- |
| 3358 | aa-- |
| 3359 | |
| 3360 | /((?s)^a(.))((?m)^b$)/ |
| 3361 | a\nb\nc\n |
| 3362 | |
| 3363 | /((?m)^b$)/ |
| 3364 | a\nb\nc\n |
| 3365 | |
| 3366 | /(?m)^b/ |
| 3367 | a\nb\n |
| 3368 | |
| 3369 | /(?m)^(b)/ |
| 3370 | a\nb\n |
| 3371 | |
| 3372 | /((?m)^b)/ |
| 3373 | a\nb\n |
| 3374 | |
| 3375 | /\n((?m)^b)/ |
| 3376 | a\nb\n |
| 3377 | |
| 3378 | /((?s).)c(?!.)/ |
| 3379 | a\nb\nc\n |
| 3380 | a\nb\nc\n |
| 3381 | |
| 3382 | /((?s)b.)c(?!.)/ |
| 3383 | a\nb\nc\n |
| 3384 | a\nb\nc\n |
| 3385 | |
| 3386 | /^b/ |
| 3387 | |
| 3388 | /()^b/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3389 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3390 | a\nb\nc\n |
| 3391 | a\nb\nc\n |
| 3392 | |
| 3393 | /((?m)^b)/ |
| 3394 | a\nb\nc\n |
| 3395 | |
| 3396 | /(x)?(?(1)a|b)/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3397 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3398 | a |
| 3399 | a |
| 3400 | |
| 3401 | /(x)?(?(1)b|a)/ |
| 3402 | a |
| 3403 | |
| 3404 | /()?(?(1)b|a)/ |
| 3405 | a |
| 3406 | |
| 3407 | /()(?(1)b|a)/ |
| 3408 | |
| 3409 | /()?(?(1)a|b)/ |
| 3410 | a |
| 3411 | |
| 3412 | /^(\()?blah(?(1)(\)))$/ |
| 3413 | (blah) |
| 3414 | blah |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3415 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3416 | a |
| 3417 | blah) |
| 3418 | (blah |
| 3419 | |
| 3420 | /^(\(+)?blah(?(1)(\)))$/ |
| 3421 | (blah) |
| 3422 | blah |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3423 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3424 | blah) |
| 3425 | (blah |
| 3426 | |
| 3427 | /(?(?!a)a|b)/ |
| 3428 | |
| 3429 | /(?(?!a)b|a)/ |
| 3430 | a |
| 3431 | |
| 3432 | /(?(?=a)b|a)/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3433 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3434 | a |
| 3435 | a |
| 3436 | |
| 3437 | /(?(?=a)a|b)/ |
| 3438 | a |
| 3439 | |
| 3440 | /(?=(a+?))(\1ab)/ |
| 3441 | aaab |
| 3442 | |
| 3443 | /^(?=(a+?))\1ab/ |
| 3444 | |
| 3445 | /(\w+:)+/ |
| 3446 | one: |
| 3447 | |
| 3448 | /$(?<=^(a))/ |
| 3449 | a |
| 3450 | |
| 3451 | /(?=(a+?))(\1ab)/ |
| 3452 | aaab |
| 3453 | |
| 3454 | /^(?=(a+?))\1ab/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3455 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3456 | aaab |
| 3457 | aaab |
| 3458 | |
| 3459 | /([\w:]+::)?(\w+)$/ |
| 3460 | abcd |
| 3461 | xy:z:::abcd |
| 3462 | |
| 3463 | /^[^bcd]*(c+)/ |
| 3464 | aexycd |
| 3465 | |
| 3466 | /(a*)b+/ |
| 3467 | caab |
| 3468 | |
| 3469 | /([\w:]+::)?(\w+)$/ |
| 3470 | abcd |
| 3471 | xy:z:::abcd |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3472 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3473 | abcd: |
| 3474 | abcd: |
| 3475 | |
| 3476 | /^[^bcd]*(c+)/ |
| 3477 | aexycd |
| 3478 | |
| 3479 | /(>a+)ab/ |
| 3480 | |
| 3481 | /(?>a+)b/ |
| 3482 | aaab |
| 3483 | |
| 3484 | /([[:]+)/ |
| 3485 | a:[b]: |
| 3486 | |
| 3487 | /([[=]+)/ |
| 3488 | a=[b]= |
| 3489 | |
| 3490 | /([[.]+)/ |
| 3491 | a.[b]. |
| 3492 | |
| 3493 | /((?>a+)b)/ |
| 3494 | aaab |
| 3495 | |
| 3496 | /(?>(a+))b/ |
| 3497 | aaab |
| 3498 | |
| 3499 | /((?>[^()]+)|\([^()]*\))+/ |
| 3500 | ((abc(ade)ufh()()x |
| 3501 | |
| 3502 | /a\Z/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3503 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3504 | aaab |
| 3505 | a\nb\n |
| 3506 | |
| 3507 | /b\Z/ |
| 3508 | a\nb\n |
| 3509 | |
| 3510 | /b\z/ |
| 3511 | |
| 3512 | /b\Z/ |
| 3513 | a\nb |
| 3514 | |
| 3515 | /b\z/ |
| 3516 | a\nb |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3517 | |
| 3518 | /^(?>(?(1)\.|())[^\W_](?>[a-z0-9-]*[^\W_])?)+$/ |
| 3519 | a |
| 3520 | abc |
| 3521 | a-b |
| 3522 | 0-9 |
| 3523 | a.b |
| 3524 | 5.6.7 |
| 3525 | the.quick.brown.fox |
| 3526 | a100.b200.300c |
| 3527 | 12-ab.1245 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3528 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3529 | \ |
| 3530 | .a |
| 3531 | -a |
| 3532 | a- |
| 3533 | a. |
| 3534 | a_b |
| 3535 | a.- |
| 3536 | a.. |
| 3537 | ab..bc |
| 3538 | the.quick.brown.fox- |
| 3539 | the.quick.brown.fox. |
| 3540 | the.quick.brown.fox_ |
| 3541 | the.quick.brown.fox+ |
| 3542 | |
| 3543 | /(?>.*)(?<=(abcd|wxyz))/ |
| 3544 | alphabetabcd |
| 3545 | endingwxyz |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3546 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3547 | a rather long string that doesn't end with one of them |
| 3548 | |
| 3549 | /word (?>(?:(?!otherword)[a-zA-Z0-9]+ ){0,30})otherword/ |
| 3550 | word cat dog elephant mussel cow horse canary baboon snake shark otherword |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3551 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3552 | word cat dog elephant mussel cow horse canary baboon snake shark |
| 3553 | |
| 3554 | /word (?>[a-zA-Z0-9]+ ){0,30}otherword/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3555 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3556 | word cat dog elephant mussel cow horse canary baboon snake shark the quick brown fox and the lazy dog and several other words getting close to thirty by now I hope |
| 3557 | |
| 3558 | /(?<=\d{3}(?!999))foo/ |
| 3559 | 999foo |
| 3560 | 123999foo |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3561 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3562 | 123abcfoo |
| 3563 | |
| 3564 | /(?<=(?!...999)\d{3})foo/ |
| 3565 | 999foo |
| 3566 | 123999foo |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3567 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3568 | 123abcfoo |
| 3569 | |
| 3570 | /(?<=\d{3}(?!999)...)foo/ |
| 3571 | 123abcfoo |
| 3572 | 123456foo |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3573 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3574 | 123999foo |
| 3575 | |
| 3576 | /(?<=\d{3}...)(?<!999)foo/ |
| 3577 | 123abcfoo |
| 3578 | 123456foo |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3579 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3580 | 123999foo |
| 3581 | |
| 3582 | /<a[\s]+href[\s]*=[\s]* # find <a href= |
| 3583 | ([\"\'])? # find single or double quote |
| 3584 | (?(1) (.*?)\1 | ([^\s]+)) # if quote found, match up to next matching |
| 3585 | # quote, otherwise match up to next space |
| 3586 | /isx |
| 3587 | <a href=abcd xyz |
| 3588 | <a href=\"abcd xyz pqr\" cats |
| 3589 | <a href=\'abcd xyz pqr\' cats |
| 3590 | |
| 3591 | /<a\s+href\s*=\s* # find <a href= |
| 3592 | (["'])? # find single or double quote |
| 3593 | (?(1) (.*?)\1 | (\S+)) # if quote found, match up to next matching |
| 3594 | # quote, otherwise match up to next space |
| 3595 | /isx |
| 3596 | <a href=abcd xyz |
| 3597 | <a href=\"abcd xyz pqr\" cats |
| 3598 | <a href = \'abcd xyz pqr\' cats |
| 3599 | |
| 3600 | /<a\s+href(?>\s*)=(?>\s*) # find <a href= |
| 3601 | (["'])? # find single or double quote |
| 3602 | (?(1) (.*?)\1 | (\S+)) # if quote found, match up to next matching |
| 3603 | # quote, otherwise match up to next space |
| 3604 | /isx |
| 3605 | <a href=abcd xyz |
| 3606 | <a href=\"abcd xyz pqr\" cats |
| 3607 | <a href = \'abcd xyz pqr\' cats |
| 3608 | |
| 3609 | /((Z)+|A)*/ |
| 3610 | ZABCDEFG |
| 3611 | |
| 3612 | /(Z()|A)*/ |
| 3613 | ZABCDEFG |
| 3614 | |
| 3615 | /(Z(())|A)*/ |
| 3616 | ZABCDEFG |
| 3617 | |
| 3618 | /((?>Z)+|A)*/ |
| 3619 | ZABCDEFG |
| 3620 | |
| 3621 | /((?>)+|A)*/ |
| 3622 | ZABCDEFG |
| 3623 | |
| 3624 | /a*/g |
| 3625 | abbab |
| 3626 | |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3627 | /[[:space:]]+/ |
| 3628 | > \x09\x0a\x0c\x0d\x0b< |
| 3629 | |
| 3630 | /[[:blank:]]+/ |
| 3631 | > \x09\x0a\x0c\x0d\x0b< |
| 3632 | |
| 3633 | /[\s]+/ |
| 3634 | > \x09\x0a\x0c\x0d\x0b< |
| 3635 | |
| 3636 | /\s+/ |
| 3637 | > \x09\x0a\x0c\x0d\x0b< |
| 3638 | |
| 3639 | /ab/x |
| 3640 | ab |
| 3641 | |
| 3642 | /(?!\A)x/m |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3643 | a\nxb\n |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3644 | |
| 3645 | /(?!^)x/m |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3646 | \= Expect no match |
| 3647 | a\nxb\n |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3648 | |
| 3649 | /abc\Qabc\Eabc/ |
| 3650 | abcabcabc |
| 3651 | |
| 3652 | /abc\Q(*+|\Eabc/ |
| 3653 | abc(*+|abc |
| 3654 | |
| 3655 | / abc\Q abc\Eabc/x |
| 3656 | abc abcabc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3657 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3658 | abcabcabc |
| 3659 | |
| 3660 | /abc#comment |
| 3661 | \Q#not comment |
| 3662 | literal\E/x |
| 3663 | abc#not comment\n literal |
| 3664 | |
| 3665 | /abc#comment |
| 3666 | \Q#not comment |
| 3667 | literal/x |
| 3668 | abc#not comment\n literal |
| 3669 | |
| 3670 | /abc#comment |
| 3671 | \Q#not comment |
| 3672 | literal\E #more comment |
| 3673 | /x |
| 3674 | abc#not comment\n literal |
| 3675 | |
| 3676 | /abc#comment |
| 3677 | \Q#not comment |
| 3678 | literal\E #more comment/x |
| 3679 | abc#not comment\n literal |
| 3680 | |
| 3681 | /\Qabc\$xyz\E/ |
| 3682 | abc\\\$xyz |
| 3683 | |
| 3684 | /\Qabc\E\$\Qxyz\E/ |
| 3685 | abc\$xyz |
| 3686 | |
| 3687 | /\Gabc/ |
| 3688 | abc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3689 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3690 | xyzabc |
| 3691 | |
| 3692 | /\Gabc./g |
| 3693 | abc1abc2xyzabc3 |
| 3694 | |
| 3695 | /abc./g |
| 3696 | abc1abc2xyzabc3 |
| 3697 | |
| 3698 | /a(?x: b c )d/ |
| 3699 | XabcdY |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3700 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3701 | Xa b c d Y |
| 3702 | |
| 3703 | /((?x)x y z | a b c)/ |
| 3704 | XabcY |
| 3705 | AxyzB |
| 3706 | |
| 3707 | /(?i)AB(?-i)C/ |
| 3708 | XabCY |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3709 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3710 | XabcY |
| 3711 | |
| 3712 | /((?i)AB(?-i)C|D)E/ |
| 3713 | abCE |
| 3714 | DE |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3715 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3716 | abcE |
| 3717 | abCe |
| 3718 | dE |
| 3719 | De |
| 3720 | |
| 3721 | /(.*)\d+\1/ |
| 3722 | abc123abc |
| 3723 | abc123bc |
| 3724 | |
| 3725 | /(.*)\d+\1/s |
| 3726 | abc123abc |
| 3727 | abc123bc |
| 3728 | |
| 3729 | /((.*))\d+\1/ |
| 3730 | abc123abc |
| 3731 | abc123bc |
| 3732 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3733 | # This tests for an IPv6 address in the form where it can have up to |
| 3734 | # eight components, one and only one of which is empty. This must be |
| 3735 | # an internal component. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3736 | |
| 3737 | /^(?!:) # colon disallowed at start |
| 3738 | (?: # start of item |
| 3739 | (?: [0-9a-f]{1,4} | # 1-4 hex digits or |
| 3740 | (?(1)0 | () ) ) # if null previously matched, fail; else null |
| 3741 | : # followed by colon |
| 3742 | ){1,7} # end item; 1-7 of them required |
| 3743 | [0-9a-f]{1,4} $ # final hex number at end of string |
| 3744 | (?(1)|.) # check that there was an empty component |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3745 | /ix |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3746 | a123::a123 |
| 3747 | a123:b342::abcd |
| 3748 | a123:b342::324e:abcd |
| 3749 | a123:ddde:b342::324e:abcd |
| 3750 | a123:ddde:b342::324e:dcba:abcd |
| 3751 | a123:ddde:9999:b342::324e:dcba:abcd |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3752 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3753 | 1:2:3:4:5:6:7:8 |
| 3754 | a123:bce:ddde:9999:b342::324e:dcba:abcd |
| 3755 | a123::9999:b342::324e:dcba:abcd |
| 3756 | abcde:2:3:4:5:6:7:8 |
| 3757 | ::1 |
| 3758 | abcd:fee0:123:: |
| 3759 | :1 |
| 3760 | 1: |
| 3761 | |
| 3762 | /[z\Qa-d]\E]/ |
| 3763 | z |
| 3764 | a |
| 3765 | - |
| 3766 | d |
| 3767 | ] |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3768 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3769 | b |
| 3770 | |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3771 | /(a+)*b/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3772 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3773 | aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa |
| 3774 | |
| 3775 | /(?i)reg(?:ul(?:[aä]|ae)r|ex)/ |
| 3776 | REGular |
| 3777 | regulaer |
| 3778 | Regex |
| 3779 | regulär |
| 3780 | |
| 3781 | /Åæåä[à-ÿÀ-ß]+/ |
| 3782 | Åæåäà |
| 3783 | Åæåäÿ |
| 3784 | ÅæåäÀ |
| 3785 | Åæåäß |
| 3786 | |
| 3787 | /(?<=Z)X./ |
| 3788 | \x84XAZXB |
| 3789 | |
| 3790 | /ab cd (?x) de fg/ |
| 3791 | ab cd defg |
| 3792 | |
| 3793 | /ab cd(?x) de fg/ |
| 3794 | ab cddefg |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3795 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3796 | abcddefg |
| 3797 | |
| 3798 | /(?<![^f]oo)(bar)/ |
| 3799 | foobarX |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3800 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3801 | boobarX |
| 3802 | |
| 3803 | /(?<![^f])X/ |
| 3804 | offX |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3805 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3806 | onyX |
| 3807 | |
| 3808 | /(?<=[^f])X/ |
| 3809 | onyX |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3810 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3811 | offX |
| 3812 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3813 | /^/gm |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3814 | a\nb\nc\n |
| 3815 | \ |
| 3816 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3817 | /(?<=C\n)^/gm |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3818 | A\nC\nC\n |
| 3819 | |
| 3820 | /(?:(?(1)a|b)(X))+/ |
| 3821 | bXaX |
| 3822 | |
| 3823 | /(?:(?(1)\1a|b)(X|Y))+/ |
| 3824 | bXXaYYaY |
| 3825 | bXYaXXaX |
| 3826 | |
| 3827 | /()()()()()()()()()(?:(?(10)\10a|b)(X|Y))+/ |
| 3828 | bXXaYYaY |
| 3829 | |
| 3830 | /[[,abc,]+]/ |
| 3831 | abc] |
| 3832 | a,b] |
| 3833 | [a,b,c] |
| 3834 | |
| 3835 | /(?-x: )/x |
| 3836 | A\x20B |
| 3837 | |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 3838 | /(?x)(?-x: \s*#\s*)/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3839 | A # B |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3840 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3841 | # |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 3842 | A s#s B |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3843 | |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 3844 | /(?x-is)(?:(?-ixs) \s*#\s*) include/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3845 | A #include |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3846 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3847 | A#include |
| 3848 | A #Include |
| 3849 | |
| 3850 | /a*b*\w/ |
| 3851 | aaabbbb |
| 3852 | aaaa |
| 3853 | a |
| 3854 | |
| 3855 | /a*b?\w/ |
| 3856 | aaabbbb |
| 3857 | aaaa |
| 3858 | a |
| 3859 | |
| 3860 | /a*b{0,4}\w/ |
| 3861 | aaabbbb |
| 3862 | aaaa |
| 3863 | a |
| 3864 | |
| 3865 | /a*b{0,}\w/ |
| 3866 | aaabbbb |
| 3867 | aaaa |
| 3868 | a |
| 3869 | |
| 3870 | /a*\d*\w/ |
| 3871 | 0a |
| 3872 | a |
| 3873 | |
| 3874 | /a*b *\w/x |
| 3875 | a |
| 3876 | |
| 3877 | /a*b#comment |
| 3878 | *\w/x |
| 3879 | a |
| 3880 | |
| 3881 | /a* b *\w/x |
| 3882 | a |
| 3883 | |
| 3884 | /^\w+=.*(\\\n.*)*/ |
| 3885 | abc=xyz\\\npqr |
| 3886 | |
| 3887 | /(?=(\w+))\1:/ |
| 3888 | abcd: |
| 3889 | |
| 3890 | /^(?=(\w+))\1:/ |
| 3891 | abcd: |
| 3892 | |
| 3893 | /^\Eabc/ |
| 3894 | abc |
| 3895 | |
| 3896 | /^[\Eabc]/ |
| 3897 | a |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3898 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3899 | E |
| 3900 | |
| 3901 | /^[a-\Ec]/ |
| 3902 | b |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3903 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3904 | - |
| 3905 | E |
| 3906 | |
| 3907 | /^[a\E\E-\Ec]/ |
| 3908 | b |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3909 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3910 | - |
| 3911 | E |
| 3912 | |
| 3913 | /^[\E\Qa\E-\Qz\E]+/ |
| 3914 | b |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3915 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3916 | - |
| 3917 | |
| 3918 | /^[a\Q]bc\E]/ |
| 3919 | a |
| 3920 | ] |
| 3921 | c |
| 3922 | |
| 3923 | /^[a-\Q\E]/ |
| 3924 | a |
| 3925 | - |
| 3926 | |
| 3927 | /^(a()*)*/ |
| 3928 | aaaa |
| 3929 | |
| 3930 | /^(?:a(?:(?:))*)*/ |
| 3931 | aaaa |
| 3932 | |
| 3933 | /^(a()+)+/ |
| 3934 | aaaa |
| 3935 | |
| 3936 | /^(?:a(?:(?:))+)+/ |
| 3937 | aaaa |
| 3938 | |
| 3939 | /(a){0,3}(?(1)b|(c|))*D/ |
| 3940 | abbD |
| 3941 | ccccD |
| 3942 | D |
| 3943 | |
| 3944 | /(a|)*\d/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3945 | aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3946 | \= Expect no match |
| 3947 | aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3948 | |
| 3949 | /(?>a|)*\d/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3950 | aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3951 | \= Expect no match |
| 3952 | aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3953 | |
| 3954 | /(?:a|)*\d/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3955 | aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa4 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3956 | \= Expect no match |
| 3957 | aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3958 | |
| 3959 | /\Z/g |
| 3960 | abc\n |
| 3961 | |
| 3962 | /^(?s)(?>.*)(?<!\n)/ |
| 3963 | abc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3964 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3965 | abc\n |
| 3966 | |
| 3967 | /^(?![^\n]*\n\z)/ |
| 3968 | abc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3969 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3970 | abc\n |
| 3971 | |
| 3972 | /\z(?<!\n)/ |
| 3973 | abc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 3974 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 3975 | abc\n |
| 3976 | |
| 3977 | /(.*(.)?)*/ |
| 3978 | abcd |
| 3979 | |
| 3980 | /( (A | (?(1)0|) )* )/x |
| 3981 | abcd |
| 3982 | |
| 3983 | /( ( (?(1)0|) )* )/x |
| 3984 | abcd |
| 3985 | |
| 3986 | /( (?(1)0|)* )/x |
| 3987 | abcd |
| 3988 | |
| 3989 | /[[:abcd:xyz]]/ |
| 3990 | a] |
| 3991 | :] |
| 3992 | |
| 3993 | /[abc[:x\]pqr]/ |
| 3994 | a |
| 3995 | [ |
| 3996 | : |
| 3997 | ] |
| 3998 | p |
| 3999 | |
| 4000 | /.*[op][xyz]/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4001 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4002 | fooabcfoo |
| 4003 | |
| 4004 | /(?(?=.*b)b|^)/ |
| 4005 | adc |
| 4006 | abc |
| 4007 | |
| 4008 | /(?(?=^.*b)b|^)/ |
| 4009 | adc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4010 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4011 | abc |
| 4012 | |
| 4013 | /(?(?=.*b)b|^)*/ |
| 4014 | adc |
| 4015 | abc |
| 4016 | |
| 4017 | /(?(?=.*b)b|^)+/ |
| 4018 | adc |
| 4019 | abc |
| 4020 | |
| 4021 | /(?(?=b).*b|^d)/ |
| 4022 | abc |
| 4023 | |
| 4024 | /(?(?=.*b).*b|^d)/ |
| 4025 | abc |
| 4026 | |
| 4027 | /^%((?(?=[a])[^%])|b)*%$/ |
| 4028 | %ab% |
| 4029 | |
| 4030 | /(?i)a(?-i)b|c/ |
| 4031 | XabX |
| 4032 | XAbX |
| 4033 | CcC |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4034 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4035 | XABX |
| 4036 | |
| 4037 | /[\x00-\xff\s]+/ |
| 4038 | \x0a\x0b\x0c\x0d |
| 4039 | |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4040 | /(abc)\1/i |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4041 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4042 | abc |
| 4043 | |
| 4044 | /(abc)\1/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4045 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4046 | abc |
| 4047 | |
| 4048 | /[^a]*/i |
| 4049 | 12abc |
| 4050 | 12ABC |
| 4051 | |
| 4052 | /[^a]*+/i |
| 4053 | 12abc |
| 4054 | 12ABC |
| 4055 | |
| 4056 | /[^a]*?X/i |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4057 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4058 | 12abc |
| 4059 | 12ABC |
| 4060 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4061 | /[^a]+?X/i |
| 4062 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4063 | 12abc |
| 4064 | 12ABC |
| 4065 | |
| 4066 | /[^a]?X/i |
| 4067 | 12aXbcX |
| 4068 | 12AXBCX |
| 4069 | BCX |
| 4070 | |
| 4071 | /[^a]??X/i |
| 4072 | 12aXbcX |
| 4073 | 12AXBCX |
| 4074 | BCX |
| 4075 | |
| 4076 | /[^a]?+X/i |
| 4077 | 12aXbcX |
| 4078 | 12AXBCX |
| 4079 | BCX |
| 4080 | |
| 4081 | /[^a]{2,3}/i |
| 4082 | abcdef |
| 4083 | ABCDEF |
| 4084 | |
| 4085 | /[^a]{2,3}?/i |
| 4086 | abcdef |
| 4087 | ABCDEF |
| 4088 | |
| 4089 | /[^a]{2,3}+/i |
| 4090 | abcdef |
| 4091 | ABCDEF |
| 4092 | |
| 4093 | /((a|)+)+Z/ |
| 4094 | Z |
| 4095 | |
| 4096 | /(a)b|(a)c/ |
| 4097 | ac |
| 4098 | |
| 4099 | /(?>(a))b|(a)c/ |
| 4100 | ac |
| 4101 | |
| 4102 | /(?=(a))ab|(a)c/ |
| 4103 | ac |
| 4104 | |
| 4105 | /((?>(a))b|(a)c)/ |
| 4106 | ac |
| 4107 | |
| 4108 | /((?>(a))b|(a)c)++/ |
| 4109 | ac |
| 4110 | |
| 4111 | /(?:(?>(a))b|(a)c)++/ |
| 4112 | ac |
| 4113 | |
| 4114 | /(?=(?>(a))b|(a)c)(..)/ |
| 4115 | ac |
| 4116 | |
| 4117 | /(?>(?>(a))b|(a)c)/ |
| 4118 | ac |
| 4119 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4120 | /(?:(?>([ab])))+a=/aftertext |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4121 | =ba= |
| 4122 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4123 | /(?>([ab]))+a=/aftertext |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4124 | =ba= |
| 4125 | |
| 4126 | /((?>(a+)b)+(aabab))/ |
| 4127 | aaaabaaabaabab |
| 4128 | |
| 4129 | /(?>a+|ab)+?c/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4130 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4131 | aabc |
| 4132 | |
| 4133 | /(?>a+|ab)+c/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4134 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4135 | aabc |
| 4136 | |
| 4137 | /(?:a+|ab)+c/ |
| 4138 | aabc |
| 4139 | |
| 4140 | /(?(?=(a))a)/ |
| 4141 | a |
| 4142 | |
| 4143 | /(?(?=(a))a)(b)/ |
| 4144 | ab |
| 4145 | |
| 4146 | /^(?:a|ab)++c/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4147 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4148 | aaaabc |
| 4149 | |
| 4150 | /^(?>a|ab)++c/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4151 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4152 | aaaabc |
| 4153 | |
| 4154 | /^(?:a|ab)+c/ |
| 4155 | aaaabc |
| 4156 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4157 | /(?=abc){3}abc/aftertext |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4158 | abcabcabc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4159 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4160 | xyz |
| 4161 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4162 | /(?=abc)+abc/aftertext |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4163 | abcabcabc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4164 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4165 | xyz |
| 4166 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4167 | /(?=abc)++abc/aftertext |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4168 | abcabcabc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4169 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4170 | xyz |
| 4171 | |
| 4172 | /(?=abc){0}xyz/ |
| 4173 | xyz |
| 4174 | |
| 4175 | /(?=abc){1}xyz/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4176 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4177 | xyz |
| 4178 | |
| 4179 | /(?=(a))?./ |
| 4180 | ab |
| 4181 | bc |
| 4182 | |
| 4183 | /(?=(a))??./ |
| 4184 | ab |
| 4185 | bc |
| 4186 | |
| 4187 | /^(?=(?1))?[az]([abc])d/ |
| 4188 | abd |
| 4189 | zcdxx |
| 4190 | |
| 4191 | /^(?!a){0}\w+/ |
| 4192 | aaaaa |
| 4193 | |
| 4194 | /(?<=(abc))?xyz/ |
| 4195 | abcxyz |
| 4196 | pqrxyz |
| 4197 | |
| 4198 | /^[\g<a>]+/ |
| 4199 | ggg<<<aaa>>> |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4200 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4201 | \\ga |
| 4202 | |
| 4203 | /^[\ga]+/ |
| 4204 | gggagagaxyz |
| 4205 | |
| 4206 | /^[:a[:digit:]]+/ |
| 4207 | aaaa444:::Z |
| 4208 | |
| 4209 | /^[:a[:digit:]:b]+/ |
| 4210 | aaaa444:::bbbZ |
| 4211 | |
| 4212 | /[:a]xxx[b:]/ |
| 4213 | :xxx: |
| 4214 | |
| 4215 | /(?<=a{2})b/i |
| 4216 | xaabc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4217 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4218 | xabc |
| 4219 | |
| 4220 | /(?<!a{2})b/i |
| 4221 | xabc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4222 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4223 | xaabc |
| 4224 | |
| 4225 | /(?<=a\h)c/ |
| 4226 | xa c |
| 4227 | |
| 4228 | /(?<=[^a]{2})b/ |
| 4229 | axxbc |
| 4230 | aAAbc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4231 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4232 | xaabc |
| 4233 | |
| 4234 | /(?<=[^a]{2})b/i |
| 4235 | axxbc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4236 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4237 | aAAbc |
| 4238 | xaabc |
| 4239 | |
| 4240 | /(?<=a\H)c/ |
| 4241 | abc |
| 4242 | |
| 4243 | /(?<=a\V)c/ |
| 4244 | abc |
| 4245 | |
| 4246 | /(?<=a\v)c/ |
| 4247 | a\nc |
| 4248 | |
| 4249 | /(?(?=c)c|d)++Y/ |
| 4250 | XcccddYX |
| 4251 | |
| 4252 | /(?(?=c)c|d)*+Y/ |
| 4253 | XcccddYX |
| 4254 | |
| 4255 | /^(a{2,3}){2,}+a/ |
| 4256 | aaaaaaa |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4257 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4258 | aaaaaa |
| 4259 | aaaaaaaaa |
| 4260 | |
| 4261 | /^(a{2,3})++a/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4262 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4263 | aaaaaa |
| 4264 | |
| 4265 | /^(a{2,3})*+a/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4266 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4267 | aaaaaa |
| 4268 | |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4269 | /\H\h\V\v/ |
| 4270 | X X\x0a |
| 4271 | X\x09X\x0b |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4272 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4273 | \xa0 X\x0a |
| 4274 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4275 | /\H*\h+\V?\v{3,4}/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4276 | \x09\x20\xa0X\x0a\x0b\x0c\x0d\x0a |
| 4277 | \x09\x20\xa0\x0a\x0b\x0c\x0d\x0a |
| 4278 | \x09\x20\xa0\x0a\x0b\x0c |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4279 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4280 | \x09\x20\xa0\x0a\x0b |
| 4281 | |
| 4282 | /\H{3,4}/ |
| 4283 | XY ABCDE |
| 4284 | XY PQR ST |
| 4285 | |
| 4286 | /.\h{3,4}./ |
| 4287 | XY AB PQRS |
| 4288 | |
| 4289 | /\h*X\h?\H+Y\H?Z/ |
| 4290 | >XNNNYZ |
| 4291 | > X NYQZ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4292 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4293 | >XYZ |
| 4294 | > X NY Z |
| 4295 | |
| 4296 | /\v*X\v?Y\v+Z\V*\x0a\V+\x0b\V{2,3}\x0c/ |
| 4297 | >XY\x0aZ\x0aA\x0bNN\x0c |
| 4298 | >\x0a\x0dX\x0aY\x0a\x0bZZZ\x0aAAA\x0bNNN\x0c |
| 4299 | |
| 4300 | /(foo)\Kbar/ |
| 4301 | foobar |
| 4302 | |
| 4303 | /(foo)(\Kbar|baz)/ |
| 4304 | foobar |
| 4305 | foobaz |
| 4306 | |
| 4307 | /(foo\Kbar)baz/ |
| 4308 | foobarbaz |
| 4309 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4310 | /abc\K|def\K/g,aftertext |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4311 | Xabcdefghi |
| 4312 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4313 | /ab\Kc|de\Kf/g,aftertext |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4314 | Xabcdefghi |
| 4315 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4316 | /(?=C)/g,aftertext |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4317 | ABCDECBA |
| 4318 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4319 | /^abc\K/aftertext |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4320 | abcdef |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4321 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4322 | defabcxyz |
| 4323 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4324 | /^(a(b))\1\g1\g{1}\g-1\g{-1}\g{-2}Z/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4325 | ababababbbabZXXXX |
| 4326 | |
| 4327 | /(?<A>tom|bon)-\g{A}/ |
| 4328 | tom-tom |
| 4329 | bon-bon |
| 4330 | |
| 4331 | /(^(a|b\g{-1}))/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4332 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4333 | bacxxx |
| 4334 | |
| 4335 | /(?|(abc)|(xyz))\1/ |
| 4336 | abcabc |
| 4337 | xyzxyz |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4338 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4339 | abcxyz |
| 4340 | xyzabc |
| 4341 | |
| 4342 | /(?|(abc)|(xyz))(?1)/ |
| 4343 | abcabc |
| 4344 | xyzabc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4345 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4346 | xyzxyz |
| 4347 | |
| 4348 | /^X(?5)(a)(?|(b)|(q))(c)(d)(Y)/ |
| 4349 | XYabcdY |
| 4350 | |
| 4351 | /^X(?7)(a)(?|(b|(r)(s))|(q))(c)(d)(Y)/ |
| 4352 | XYabcdY |
| 4353 | |
| 4354 | /^X(?7)(a)(?|(b|(?|(r)|(t))(s))|(q))(c)(d)(Y)/ |
| 4355 | XYabcdY |
| 4356 | |
| 4357 | /(?'abc'\w+):\k<abc>{2}/ |
| 4358 | a:aaxyz |
| 4359 | ab:ababxyz |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4360 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4361 | a:axyz |
| 4362 | ab:abxyz |
| 4363 | |
| 4364 | /(?'abc'\w+):\g{abc}{2}/ |
| 4365 | a:aaxyz |
| 4366 | ab:ababxyz |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4367 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4368 | a:axyz |
| 4369 | ab:abxyz |
| 4370 | |
| 4371 | /^(?<ab>a)? (?(<ab>)b|c) (?('ab')d|e)/x |
| 4372 | abd |
| 4373 | ce |
| 4374 | |
| 4375 | /^(a.)\g-1Z/ |
| 4376 | aXaXZ |
| 4377 | |
| 4378 | /^(a.)\g{-1}Z/ |
| 4379 | aXaXZ |
| 4380 | |
| 4381 | /^(?(DEFINE) (?<A> a) (?<B> b) ) (?&A) (?&B) /x |
| 4382 | abcd |
| 4383 | |
| 4384 | /(?<NAME>(?&NAME_PAT))\s+(?<ADDR>(?&ADDRESS_PAT)) |
| 4385 | (?(DEFINE) |
| 4386 | (?<NAME_PAT>[a-z]+) |
| 4387 | (?<ADDRESS_PAT>\d+) |
| 4388 | )/x |
| 4389 | metcalfe 33 |
| 4390 | |
| 4391 | /(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))\b(?&byte)(\.(?&byte)){3}/ |
| 4392 | 1.2.3.4 |
| 4393 | 131.111.10.206 |
| 4394 | 10.0.0.0 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4395 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4396 | 10.6 |
| 4397 | 455.3.4.5 |
| 4398 | |
| 4399 | /\b(?&byte)(\.(?&byte)){3}(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))/ |
| 4400 | 1.2.3.4 |
| 4401 | 131.111.10.206 |
| 4402 | 10.0.0.0 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4403 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4404 | 10.6 |
| 4405 | 455.3.4.5 |
| 4406 | |
| 4407 | /^(\w++|\s++)*$/ |
| 4408 | now is the time for all good men to come to the aid of the party |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4409 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4410 | this is not a line with only words and spaces! |
| 4411 | |
| 4412 | /(\d++)(\w)/ |
| 4413 | 12345a |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4414 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4415 | 12345+ |
| 4416 | |
| 4417 | /a++b/ |
| 4418 | aaab |
| 4419 | |
| 4420 | /(a++b)/ |
| 4421 | aaab |
| 4422 | |
| 4423 | /(a++)b/ |
| 4424 | aaab |
| 4425 | |
| 4426 | /([^()]++|\([^()]*\))+/ |
| 4427 | ((abc(ade)ufh()()x |
| 4428 | |
| 4429 | /\(([^()]++|\([^()]+\))+\)/ |
| 4430 | (abc) |
| 4431 | (abc(def)xyz) |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4432 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4433 | ((()aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa |
| 4434 | |
| 4435 | /^([^()]|\((?1)*\))*$/ |
| 4436 | abc |
| 4437 | a(b)c |
| 4438 | a(b(c))d |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4439 | \= Expect no match) |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4440 | a(b(c)d |
| 4441 | |
| 4442 | /^>abc>([^()]|\((?1)*\))*<xyz<$/ |
| 4443 | >abc>123<xyz< |
| 4444 | >abc>1(2)3<xyz< |
| 4445 | >abc>(1(2)3)<xyz< |
| 4446 | |
| 4447 | /^(?:((.)(?1)\2|)|((.)(?3)\4|.))$/i |
| 4448 | 1221 |
| 4449 | Satanoscillatemymetallicsonatas |
| 4450 | AmanaplanacanalPanama |
| 4451 | AblewasIereIsawElba |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4452 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4453 | Thequickbrownfox |
| 4454 | |
| 4455 | /^(\d+|\((?1)([+*-])(?1)\)|-(?1))$/ |
| 4456 | 12 |
| 4457 | (((2+2)*-3)-7) |
| 4458 | -12 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4459 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4460 | ((2+2)*-3)-7) |
| 4461 | |
| 4462 | /^(x(y|(?1){2})z)/ |
| 4463 | xyz |
| 4464 | xxyzxyzz |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4465 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4466 | xxyzz |
| 4467 | xxyzxyzxyzz |
| 4468 | |
| 4469 | /((< (?: (?(R) \d++ | [^<>]*+) | (?2)) * >))/x |
| 4470 | <> |
| 4471 | <abcd> |
| 4472 | <abc <123> hij> |
| 4473 | <abc <def> hij> |
| 4474 | <abc<>def> |
| 4475 | <abc<> |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4476 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4477 | <abc |
| 4478 | |
| 4479 | /^a+(*FAIL)/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4480 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4481 | aaaaaa |
| 4482 | |
| 4483 | /a+b?c+(*FAIL)/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4484 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4485 | aaabccc |
| 4486 | |
| 4487 | /a+b?(*PRUNE)c+(*FAIL)/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4488 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4489 | aaabccc |
| 4490 | |
| 4491 | /a+b?(*COMMIT)c+(*FAIL)/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4492 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4493 | aaabccc |
| 4494 | |
| 4495 | /a+b?(*SKIP)c+(*FAIL)/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4496 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4497 | aaabcccaaabccc |
| 4498 | |
| 4499 | /^(?:aaa(*THEN)\w{6}|bbb(*THEN)\w{5}|ccc(*THEN)\w{4}|\w{3})/ |
| 4500 | aaaxxxxxx |
| 4501 | aaa++++++ |
| 4502 | bbbxxxxx |
| 4503 | bbb+++++ |
| 4504 | cccxxxx |
| 4505 | ccc++++ |
| 4506 | dddddddd |
| 4507 | |
| 4508 | /^(aaa(*THEN)\w{6}|bbb(*THEN)\w{5}|ccc(*THEN)\w{4}|\w{3})/ |
| 4509 | aaaxxxxxx |
| 4510 | aaa++++++ |
| 4511 | bbbxxxxx |
| 4512 | bbb+++++ |
| 4513 | cccxxxx |
| 4514 | ccc++++ |
| 4515 | dddddddd |
| 4516 | |
| 4517 | /a+b?(*THEN)c+(*FAIL)/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4518 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4519 | aaabccc |
| 4520 | |
| 4521 | /(A (A|B(*ACCEPT)|C) D)(E)/x |
| 4522 | AB |
| 4523 | ABX |
| 4524 | AADE |
| 4525 | ACDE |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4526 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4527 | AD |
| 4528 | |
| 4529 | /^\W*+(?:((.)\W*+(?1)\W*+\2|)|((.)\W*+(?3)\W*+\4|\W*+.\W*+))\W*+$/i |
| 4530 | 1221 |
| 4531 | Satan, oscillate my metallic sonatas! |
| 4532 | A man, a plan, a canal: Panama! |
| 4533 | Able was I ere I saw Elba. |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4534 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4535 | The quick brown fox |
| 4536 | |
| 4537 | /^((.)(?1)\2|.)$/ |
| 4538 | a |
| 4539 | aba |
| 4540 | aabaa |
| 4541 | abcdcba |
| 4542 | pqaabaaqp |
| 4543 | ablewasiereisawelba |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4544 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4545 | rhubarb |
| 4546 | the quick brown fox |
| 4547 | |
| 4548 | /(a)(?<=b(?1))/ |
| 4549 | baz |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4550 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4551 | caz |
| 4552 | |
| 4553 | /(?<=b(?1))(a)/ |
| 4554 | zbaaz |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4555 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4556 | aaa |
| 4557 | |
| 4558 | /(?<X>a)(?<=b(?&X))/ |
| 4559 | baz |
| 4560 | |
| 4561 | /^(?|(abc)|(def))\1/ |
| 4562 | abcabc |
| 4563 | defdef |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4564 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4565 | abcdef |
| 4566 | defabc |
| 4567 | |
| 4568 | /^(?|(abc)|(def))(?1)/ |
| 4569 | abcabc |
| 4570 | defabc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4571 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4572 | defdef |
| 4573 | abcdef |
| 4574 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4575 | /(?:a(?<quote> (?<apostrophe>')|(?<realquote>")) |b(?<quote> (?<apostrophe>')|(?<realquote>")) ) (?('quote')[a-z]+|[0-9]+)/x,dupnames |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4576 | a\"aaaaa |
| 4577 | b\"aaaaa |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4578 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4579 | b\"11111 |
| 4580 | |
| 4581 | /(?:(?1)|B)(A(*F)|C)/ |
| 4582 | ABCD |
| 4583 | CCD |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4584 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4585 | CAD |
| 4586 | |
| 4587 | /^(?:(?1)|B)(A(*F)|C)/ |
| 4588 | CCD |
| 4589 | BCD |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4590 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4591 | ABCD |
| 4592 | CAD |
| 4593 | BAD |
| 4594 | |
| 4595 | /(?:(?1)|B)(A(*ACCEPT)XX|C)D/ |
| 4596 | AAD |
| 4597 | ACD |
| 4598 | BAD |
| 4599 | BCD |
| 4600 | BAX |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4601 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4602 | ACX |
| 4603 | ABC |
| 4604 | |
| 4605 | /(?(DEFINE)(A))B(?1)C/ |
| 4606 | BAC |
| 4607 | |
| 4608 | /(?(DEFINE)((A)\2))B(?1)C/ |
| 4609 | BAAC |
| 4610 | |
| 4611 | /(?<pn> \( ( [^()]++ | (?&pn) )* \) )/x |
| 4612 | (ab(cd)ef) |
| 4613 | |
| 4614 | /^(?=a(*SKIP)b|ac)/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4615 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4616 | ac |
| 4617 | |
| 4618 | /^(?=a(*PRUNE)b)/ |
| 4619 | ab |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4620 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4621 | ac |
| 4622 | |
| 4623 | /^(?=a(*ACCEPT)b)/ |
| 4624 | ac |
| 4625 | |
| 4626 | /(?>a\Kb)/ |
| 4627 | ab |
| 4628 | |
| 4629 | /((?>a\Kb))/ |
| 4630 | ab |
| 4631 | |
| 4632 | /(a\Kb)/ |
| 4633 | ab |
| 4634 | |
| 4635 | /^a\Kcz|ac/ |
| 4636 | ac |
| 4637 | |
| 4638 | /(?>a\Kbz|ab)/ |
| 4639 | ab |
| 4640 | |
| 4641 | /^(?&t)(?(DEFINE)(?<t>a\Kb))$/ |
| 4642 | ab |
| 4643 | |
| 4644 | /^([^()]|\((?1)*\))*$/ |
| 4645 | a(b)c |
| 4646 | a(b(c)d)e |
| 4647 | |
| 4648 | /(?P<L1>(?P<L2>0)(?P>L1)|(?P>L2))/ |
| 4649 | 0 |
| 4650 | 00 |
| 4651 | 0000 |
| 4652 | |
| 4653 | /(?P<L1>(?P<L2>0)|(?P>L2)(?P>L1))/ |
| 4654 | 0 |
| 4655 | 00 |
| 4656 | 0000 |
| 4657 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4658 | # This one does fail, as expected, in Perl. It needs the complex item at the |
| 4659 | # end of the pattern. A single letter instead of (B|D) makes it not fail, which |
| 4660 | # I think is a Perl bug. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4661 | |
| 4662 | /A(*COMMIT)(B|D)/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4663 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4664 | ACABX |
| 4665 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4666 | # Check the use of names for failure |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4667 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4668 | /^(A(*PRUNE:A)B|C(*PRUNE:B)D)/mark |
| 4669 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4670 | AC |
| 4671 | CB |
| 4672 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4673 | /(*MARK:A)(*SKIP:B)(C|X)/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4674 | C |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4675 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4676 | D |
| 4677 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4678 | /^(A(*THEN:A)B|C(*THEN:B)D)/mark |
| 4679 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4680 | CB |
| 4681 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4682 | /^(?:A(*THEN:A)B|C(*THEN:B)D)/mark |
| 4683 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4684 | CB |
| 4685 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4686 | /^(?>A(*THEN:A)B|C(*THEN:B)D)/mark |
| 4687 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4688 | CB |
| 4689 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4690 | # This should succeed, as the skip causes bump to offset 1 (the mark). Note |
| 4691 | # that we have to have something complicated such as (B|Z) at the end because, |
| 4692 | # for Perl, a simple character somehow causes an unwanted optimization to mess |
| 4693 | # with the handling of backtracking verbs. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4694 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4695 | /A(*MARK:A)A+(*SKIP:A)(B|Z) | AC/x,mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4696 | AAAC |
| 4697 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4698 | # Test skipping over a non-matching mark. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4699 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4700 | /A(*MARK:A)A+(*MARK:B)(*SKIP:A)(B|Z) | AC/x,mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4701 | AAAC |
| 4702 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4703 | # Check shorthand for MARK. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4704 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4705 | /A(*:A)A+(*SKIP:A)(B|Z) | AC/x,mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4706 | AAAC |
| 4707 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4708 | /(*:A)A+(*SKIP:A)(B|Z)/mark |
| 4709 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4710 | AAAC |
| 4711 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4712 | # This should succeed, as a non-existent skip name disables the skip. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4713 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4714 | /A(*MARK:A)A+(*SKIP:B)(B|Z) | AC/x,mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4715 | AAAC |
| 4716 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4717 | /A(*MARK:A)A+(*SKIP:B)(B|Z) | AC(*:B)/x,mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4718 | AAAC |
| 4719 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4720 | # COMMIT at the start of a pattern should act like an anchor. Again, however, |
| 4721 | # we need the complication for Perl. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4722 | |
| 4723 | /(*COMMIT)(A|P)(B|P)(C|P)/ |
| 4724 | ABCDEFG |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4725 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4726 | DEFGABC |
| 4727 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4728 | # COMMIT inside an atomic group can't stop backtracking over the group. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4729 | |
| 4730 | /(\w+)(?>b(*COMMIT))\w{2}/ |
| 4731 | abbb |
| 4732 | |
| 4733 | /(\w+)b(*COMMIT)\w{2}/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4734 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4735 | abbb |
| 4736 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4737 | # Check opening parens in comment when seeking forward reference. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4738 | |
| 4739 | /(?&t)(?#()(?(DEFINE)(?<t>a))/ |
| 4740 | bac |
| 4741 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4742 | # COMMIT should override THEN. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4743 | |
| 4744 | /(?>(*COMMIT)(?>yes|no)(*THEN)(*F))?/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4745 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4746 | yes |
| 4747 | |
| 4748 | /(?>(*COMMIT)(yes|no)(*THEN)(*F))?/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4749 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4750 | yes |
| 4751 | |
| 4752 | /b?(*SKIP)c/ |
| 4753 | bc |
| 4754 | abc |
| 4755 | |
| 4756 | /(*SKIP)bc/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4757 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4758 | a |
| 4759 | |
| 4760 | /(*SKIP)b/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4761 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4762 | a |
| 4763 | |
| 4764 | /(?P<abn>(?P=abn)xxx|)+/ |
| 4765 | xxx |
| 4766 | |
| 4767 | /(?i:([^b]))(?1)/ |
| 4768 | aa |
| 4769 | aA |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4770 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4771 | ab |
| 4772 | aB |
| 4773 | Ba |
| 4774 | ba |
| 4775 | |
| 4776 | /^(?&t)*+(?(DEFINE)(?<t>a))\w$/ |
| 4777 | aaaaaaX |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4778 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4779 | aaaaaa |
| 4780 | |
| 4781 | /^(?&t)*(?(DEFINE)(?<t>a))\w$/ |
| 4782 | aaaaaaX |
| 4783 | aaaaaa |
| 4784 | |
| 4785 | /^(a)*+(\w)/ |
| 4786 | aaaaX |
| 4787 | YZ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4788 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4789 | aaaa |
| 4790 | |
| 4791 | /^(?:a)*+(\w)/ |
| 4792 | aaaaX |
| 4793 | YZ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4794 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4795 | aaaa |
| 4796 | |
| 4797 | /^(a)++(\w)/ |
| 4798 | aaaaX |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4799 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4800 | aaaa |
| 4801 | YZ |
| 4802 | |
| 4803 | /^(?:a)++(\w)/ |
| 4804 | aaaaX |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4805 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4806 | aaaa |
| 4807 | YZ |
| 4808 | |
| 4809 | /^(a)?+(\w)/ |
| 4810 | aaaaX |
| 4811 | YZ |
| 4812 | |
| 4813 | /^(?:a)?+(\w)/ |
| 4814 | aaaaX |
| 4815 | YZ |
| 4816 | |
| 4817 | /^(a){2,}+(\w)/ |
| 4818 | aaaaX |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4819 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4820 | aaa |
| 4821 | YZ |
| 4822 | |
| 4823 | /^(?:a){2,}+(\w)/ |
| 4824 | aaaaX |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4825 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4826 | aaa |
| 4827 | YZ |
| 4828 | |
| 4829 | /(a|)*(?1)b/ |
| 4830 | b |
| 4831 | ab |
| 4832 | aab |
| 4833 | |
| 4834 | /(a)++(?1)b/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4835 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4836 | ab |
| 4837 | aab |
| 4838 | |
| 4839 | /(a)*+(?1)b/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4840 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4841 | ab |
| 4842 | aab |
| 4843 | |
| 4844 | /(?1)(?:(b)){0}/ |
| 4845 | b |
| 4846 | |
| 4847 | /(foo ( \( ((?:(?> [^()]+ )|(?2))*) \) ) )/x |
| 4848 | foo(bar(baz)+baz(bop)) |
| 4849 | |
| 4850 | /(A (A|B(*ACCEPT)|C) D)(E)/x |
| 4851 | AB |
| 4852 | |
| 4853 | /\A.*?(a|bc)/ |
| 4854 | ba |
| 4855 | |
| 4856 | /\A.*?(?:a|bc)++/ |
| 4857 | ba |
| 4858 | |
| 4859 | /\A.*?(a|bc)++/ |
| 4860 | ba |
| 4861 | |
| 4862 | /\A.*?(?:a|bc|d)/ |
| 4863 | ba |
| 4864 | |
| 4865 | /(?:(b))++/ |
| 4866 | beetle |
| 4867 | |
| 4868 | /(?(?=(a(*ACCEPT)z))a)/ |
| 4869 | a |
| 4870 | |
| 4871 | /^(a)(?1)+ab/ |
| 4872 | aaaab |
| 4873 | |
| 4874 | /^(a)(?1)++ab/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4875 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4876 | aaaab |
| 4877 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4878 | /^(?=a(*:M))aZ/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4879 | aZbc |
| 4880 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4881 | /^(?!(*:M)b)aZ/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4882 | aZbc |
| 4883 | |
| 4884 | /(?(DEFINE)(a))?b(?1)/ |
| 4885 | backgammon |
| 4886 | |
| 4887 | /^\N+/ |
| 4888 | abc\ndef |
| 4889 | |
| 4890 | /^\N{1,}/ |
| 4891 | abc\ndef |
| 4892 | |
| 4893 | /(?(R)a+|(?R)b)/ |
| 4894 | aaaabcde |
| 4895 | |
| 4896 | /(?(R)a+|((?R))b)/ |
| 4897 | aaaabcde |
| 4898 | |
| 4899 | /((?(R)a+|(?1)b))/ |
| 4900 | aaaabcde |
| 4901 | |
| 4902 | /((?(R1)a+|(?1)b))/ |
| 4903 | aaaabcde |
| 4904 | |
| 4905 | /((?(R)a|(?1)))*/ |
| 4906 | aaa |
| 4907 | |
| 4908 | /((?(R)a|(?1)))+/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4909 | aaa |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4910 | |
| 4911 | /a(*:any |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4912 | name)/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4913 | abc |
| 4914 | |
| 4915 | /(?>(?&t)c|(?&t))(?(DEFINE)(?<t>a|b(*PRUNE)c))/ |
| 4916 | a |
| 4917 | ba |
| 4918 | bba |
| 4919 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4920 | # Checking revised (*THEN) handling. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4921 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4922 | # Capture |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4923 | |
| 4924 | /^.*? (a(*THEN)b) c/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4925 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4926 | aabc |
| 4927 | |
| 4928 | /^.*? (a(*THEN)b|(*F)) c/x |
| 4929 | aabc |
| 4930 | |
| 4931 | /^.*? ( (a(*THEN)b) | (*F) ) c/x |
| 4932 | aabc |
| 4933 | |
| 4934 | /^.*? ( (a(*THEN)b) ) c/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4935 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4936 | aabc |
| 4937 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4938 | # Non-capture |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4939 | |
| 4940 | /^.*? (?:a(*THEN)b) c/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4941 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4942 | aabc |
| 4943 | |
| 4944 | /^.*? (?:a(*THEN)b|(*F)) c/x |
| 4945 | aabc |
| 4946 | |
| 4947 | /^.*? (?: (?:a(*THEN)b) | (*F) ) c/x |
| 4948 | aabc |
| 4949 | |
| 4950 | /^.*? (?: (?:a(*THEN)b) ) c/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4951 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4952 | aabc |
| 4953 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4954 | # Atomic |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4955 | |
| 4956 | /^.*? (?>a(*THEN)b) c/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4957 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4958 | aabc |
| 4959 | |
| 4960 | /^.*? (?>a(*THEN)b|(*F)) c/x |
| 4961 | aabc |
| 4962 | |
| 4963 | /^.*? (?> (?>a(*THEN)b) | (*F) ) c/x |
| 4964 | aabc |
| 4965 | |
| 4966 | /^.*? (?> (?>a(*THEN)b) ) c/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4967 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4968 | aabc |
| 4969 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4970 | # Possessive capture |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4971 | |
| 4972 | /^.*? (a(*THEN)b)++ c/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4973 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4974 | aabc |
| 4975 | |
| 4976 | /^.*? (a(*THEN)b|(*F))++ c/x |
| 4977 | aabc |
| 4978 | |
| 4979 | /^.*? ( (a(*THEN)b)++ | (*F) )++ c/x |
| 4980 | aabc |
| 4981 | |
| 4982 | /^.*? ( (a(*THEN)b)++ )++ c/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4983 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4984 | aabc |
| 4985 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4986 | # Possessive non-capture |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4987 | |
| 4988 | /^.*? (?:a(*THEN)b)++ c/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4989 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 4990 | aabc |
| 4991 | |
| 4992 | /^.*? (?:a(*THEN)b|(*F))++ c/x |
| 4993 | aabc |
| 4994 | |
| 4995 | /^.*? (?: (?:a(*THEN)b)++ | (*F) )++ c/x |
| 4996 | aabc |
| 4997 | |
| 4998 | /^.*? (?: (?:a(*THEN)b)++ )++ c/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 4999 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5000 | aabc |
| 5001 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5002 | # Condition assertion |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5003 | |
| 5004 | /^(?(?=a(*THEN)b)ab|ac)/ |
| 5005 | ac |
| 5006 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5007 | # Condition |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5008 | |
| 5009 | /^.*?(?(?=a)a|b(*THEN)c)/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5010 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5011 | ba |
| 5012 | |
| 5013 | /^.*?(?:(?(?=a)a|b(*THEN)c)|d)/ |
| 5014 | ba |
| 5015 | |
| 5016 | /^.*?(?(?=a)a(*THEN)b|c)/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5017 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5018 | ac |
| 5019 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5020 | # Assertion |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5021 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5022 | /^.*(?=a(*THEN)b)/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5023 | aabc |
| 5024 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5025 | # -------------------------- |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5026 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5027 | /(?>a(*:m))/imsx,mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5028 | a |
| 5029 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5030 | /(?>(a)(*:m))/imsx,mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5031 | a |
| 5032 | |
| 5033 | /(?<=a(*ACCEPT)b)c/ |
| 5034 | xacd |
| 5035 | |
| 5036 | /(?<=(a(*ACCEPT)b))c/ |
| 5037 | xacd |
| 5038 | |
| 5039 | /(?<=(a(*COMMIT)b))c/ |
| 5040 | xabcd |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5041 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5042 | xacd |
| 5043 | |
| 5044 | /(?<!a(*FAIL)b)c/ |
| 5045 | xcd |
| 5046 | acd |
| 5047 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5048 | /(?<=a(*:N)b)c/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5049 | xabcd |
| 5050 | |
| 5051 | /(?<=a(*PRUNE)b)c/ |
| 5052 | xabcd |
| 5053 | |
| 5054 | /(?<=a(*SKIP)b)c/ |
| 5055 | xabcd |
| 5056 | |
| 5057 | /(?<=a(*THEN)b)c/ |
| 5058 | xabcd |
| 5059 | |
| 5060 | /(a)(?2){2}(.)/ |
| 5061 | abcd |
| 5062 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5063 | /(*MARK:A)(*PRUNE:B)(C|X)/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5064 | C |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5065 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5066 | D |
| 5067 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5068 | /(*MARK:A)(*PRUNE:B)(C|X)/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5069 | C |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5070 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5071 | D |
| 5072 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5073 | /(*MARK:A)(*THEN:B)(C|X)/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5074 | C |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5075 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5076 | D |
| 5077 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5078 | /(*MARK:A)(*THEN:B)(C|X)/mark,no_start_optimize |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5079 | C |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5080 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5081 | D |
| 5082 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5083 | /(*MARK:A)(*THEN:B)(C|X)/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5084 | C |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5085 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5086 | D |
| 5087 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5088 | # This should fail, as the skip causes a bump to offset 3 (the skip). |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5089 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5090 | /A(*MARK:A)A+(*SKIP)(B|Z) | AC/x,mark |
| 5091 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5092 | AAAC |
| 5093 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5094 | # Same |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5095 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5096 | /A(*MARK:A)A+(*MARK:B)(*SKIP:B)(B|Z) | AC/x,mark |
| 5097 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5098 | AAAC |
| 5099 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5100 | /A(*:A)A+(*SKIP)(B|Z) | AC/x,mark |
| 5101 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5102 | AAAC |
| 5103 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5104 | # This should fail, as a null name is the same as no name. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5105 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5106 | /A(*MARK:A)A+(*SKIP:)(B|Z) | AC/x,mark |
| 5107 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5108 | AAAC |
| 5109 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5110 | # A check on what happens after hitting a mark and them bumping along to |
| 5111 | # something that does not even start. Perl reports tags after the failures |
| 5112 | # here, though it does not when the individual letters are made into something |
| 5113 | # more complicated. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5114 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5115 | /A(*:A)B|XX(*:B)Y/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5116 | AABC |
| 5117 | XXYZ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5118 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5119 | XAQQ |
| 5120 | XAQQXZZ |
| 5121 | AXQQQ |
| 5122 | AXXQQQ |
| 5123 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5124 | /^(A(*THEN:A)B|C(*THEN:B)D)/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5125 | AB |
| 5126 | CD |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5127 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5128 | AC |
| 5129 | CB |
| 5130 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5131 | /^(A(*PRUNE:A)B|C(*PRUNE:B)D)/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5132 | AB |
| 5133 | CD |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5134 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5135 | AC |
| 5136 | CB |
| 5137 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5138 | # An empty name does not pass back an empty string. It is the same as if no |
| 5139 | # name were given. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5140 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5141 | /^(A(*PRUNE:)B|C(*PRUNE:B)D)/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5142 | AB |
| 5143 | CD |
| 5144 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5145 | # PRUNE goes to next bumpalong; COMMIT does not. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5146 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5147 | /A(*PRUNE:A)B/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5148 | ACAB |
| 5149 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5150 | # Mark names can be duplicated. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5151 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5152 | /A(*:A)B|X(*:A)Y/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5153 | AABC |
| 5154 | XXYZ |
| 5155 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5156 | /b(*:m)f|a(*:n)w/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5157 | aw |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5158 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5159 | abc |
| 5160 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5161 | /b(*:m)f|aw/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5162 | abaw |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5163 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5164 | abc |
| 5165 | abax |
| 5166 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5167 | /A(*MARK:A)A+(*SKIP:B)(B|Z) | AAC/x,mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5168 | AAAC |
| 5169 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5170 | /(?=a(*MARK:A)b)..x/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5171 | abxy |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5172 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5173 | abpq |
| 5174 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5175 | /(?=a(*MARK:A)b)..(*:Y)x/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5176 | abxy |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5177 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5178 | abpq |
| 5179 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5180 | /(?=a(*PRUNE:A)b)..x/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5181 | abxy |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5182 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5183 | abpq |
| 5184 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5185 | /(?=a(*PRUNE:A)b)..(*:Y)x/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5186 | abxy |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5187 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5188 | abpq |
| 5189 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5190 | /(?=a(*THEN:A)b)..x/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5191 | abxy |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5192 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5193 | abpq |
| 5194 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5195 | /(?=a(*THEN:A)b)..(*:Y)x/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5196 | abxy |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5197 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5198 | abpq |
| 5199 | |
| 5200 | /(another)?(\1?)test/ |
| 5201 | hello world test |
| 5202 | |
| 5203 | /(another)?(\1+)test/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5204 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5205 | hello world test |
| 5206 | |
| 5207 | /(a(*COMMIT)b){0}a(?1)|aac/ |
| 5208 | aac |
| 5209 | |
| 5210 | /((?:a?)*)*c/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5211 | aac |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5212 | |
| 5213 | /((?>a?)*)*c/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5214 | aac |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5215 | |
| 5216 | /(?>.*?a)(?<=ba)/ |
| 5217 | aba |
| 5218 | |
| 5219 | /(?:.*?a)(?<=ba)/ |
| 5220 | aba |
| 5221 | |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5222 | /(?>.*?a)b/s |
| 5223 | aab |
| 5224 | |
| 5225 | /(?>.*?a)b/ |
| 5226 | aab |
| 5227 | |
| 5228 | /(?>^a)b/s |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5229 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5230 | aab |
| 5231 | |
| 5232 | /(?>.*?)(?<=(abcd)|(wxyz))/ |
| 5233 | alphabetabcd |
| 5234 | endingwxyz |
| 5235 | |
| 5236 | /(?>.*)(?<=(abcd)|(wxyz))/ |
| 5237 | alphabetabcd |
| 5238 | endingwxyz |
| 5239 | |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 5240 | /(?>.*)foo/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5241 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5242 | abcdfooxyz |
| 5243 | |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 5244 | /(?>.*?)foo/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5245 | abcdfooxyz |
| 5246 | |
| 5247 | /(?:(a(*PRUNE)b)){0}(?:(?1)|ac)/ |
| 5248 | ac |
| 5249 | |
| 5250 | /(?:(a(*SKIP)b)){0}(?:(?1)|ac)/ |
| 5251 | ac |
| 5252 | |
| 5253 | /(?<=(*SKIP)ac)a/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5254 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5255 | aa |
| 5256 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5257 | /A(*MARK:A)A+(*SKIP:B)(B|Z) | AC/x,mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5258 | AAAC |
| 5259 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5260 | /a(*SKIP:m)x|ac(*:n)(*SKIP:n)d|ac/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5261 | acacd |
| 5262 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5263 | /A(*SKIP:m)x|A(*SKIP:n)x|AB/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5264 | AB |
| 5265 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5266 | /((*SKIP:r)d){0}a(*SKIP:m)x|ac(*:n)|ac/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5267 | acacd |
| 5268 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5269 | # Tests that try to figure out how Perl works. My hypothesis is that the first |
| 5270 | # verb that is backtracked onto is the one that acts. This seems to be the case |
| 5271 | # almost all the time, but there is one exception that is perhaps a bug. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5272 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5273 | # This matches "aaaac"; each PRUNE advances one character until the subject no |
| 5274 | # longer starts with 5 'a's. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5275 | |
| 5276 | /aaaaa(*PRUNE)b|a+c/ |
| 5277 | aaaaaac |
| 5278 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5279 | # Putting SKIP in front of PRUNE makes no difference, as it is never |
| 5280 | # backtracked onto, whether or not it has a label. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5281 | |
| 5282 | /aaaaa(*SKIP)(*PRUNE)b|a+c/ |
| 5283 | aaaaaac |
| 5284 | |
| 5285 | /aaaaa(*SKIP:N)(*PRUNE)b|a+c/ |
| 5286 | aaaaaac |
| 5287 | |
| 5288 | /aaaa(*:N)a(*SKIP:N)(*PRUNE)b|a+c/ |
| 5289 | aaaaaac |
| 5290 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5291 | # Putting THEN in front makes no difference. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5292 | |
| 5293 | /aaaaa(*THEN)(*PRUNE)b|a+c/ |
| 5294 | aaaaaac |
| 5295 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5296 | # However, putting COMMIT in front of the prune changes it to "no match". I |
| 5297 | # think this is inconsistent and possibly a bug. For the moment, running this |
| 5298 | # test is moved out of the Perl-compatible file. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5299 | |
| 5300 | /aaaaa(*COMMIT)(*PRUNE)b|a+c/ |
| 5301 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5302 | # OK, lets play the same game again using SKIP instead of PRUNE. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5303 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5304 | # This matches "ac" because SKIP forces the next match to start on the |
| 5305 | # sixth "a". |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5306 | |
| 5307 | /aaaaa(*SKIP)b|a+c/ |
| 5308 | aaaaaac |
| 5309 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5310 | # Putting PRUNE in front makes no difference. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5311 | |
| 5312 | /aaaaa(*PRUNE)(*SKIP)b|a+c/ |
| 5313 | aaaaaac |
| 5314 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5315 | # Putting THEN in front makes no difference. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5316 | |
| 5317 | /aaaaa(*THEN)(*SKIP)b|a+c/ |
| 5318 | aaaaaac |
| 5319 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5320 | # In this case, neither does COMMIT. This still matches "ac". |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5321 | |
| 5322 | /aaaaa(*COMMIT)(*SKIP)b|a+c/ |
| 5323 | aaaaaac |
| 5324 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5325 | # This gives "no match", as expected. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5326 | |
| 5327 | /aaaaa(*COMMIT)b|a+c/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5328 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5329 | aaaaaac |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5330 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5331 | # ---- Tests using THEN ---- |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5332 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5333 | # This matches "aaaaaac", as expected. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5334 | |
| 5335 | /aaaaa(*THEN)b|a+c/ |
| 5336 | aaaaaac |
| 5337 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5338 | # Putting SKIP in front makes no difference. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5339 | |
| 5340 | /aaaaa(*SKIP)(*THEN)b|a+c/ |
| 5341 | aaaaaac |
| 5342 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5343 | # Putting PRUNE in front makes no difference. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5344 | |
| 5345 | /aaaaa(*PRUNE)(*THEN)b|a+c/ |
| 5346 | aaaaaac |
| 5347 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5348 | # Putting COMMIT in front makes no difference. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5349 | |
| 5350 | /aaaaa(*COMMIT)(*THEN)b|a+c/ |
| 5351 | aaaaaac |
| 5352 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5353 | # End of "priority" tests |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5354 | |
| 5355 | /aaaaa(*:m)(*PRUNE:m)(*SKIP:m)m|a+/ |
| 5356 | aaaaaa |
| 5357 | |
| 5358 | /aaaaa(*:m)(*MARK:m)(*PRUNE)(*SKIP:m)m|a+/ |
| 5359 | aaaaaa |
| 5360 | |
| 5361 | /aaaaa(*:n)(*PRUNE:m)(*SKIP:m)m|a+/ |
| 5362 | aaaaaa |
| 5363 | |
| 5364 | /aaaaa(*:n)(*MARK:m)(*PRUNE)(*SKIP:m)m|a+/ |
| 5365 | aaaaaa |
| 5366 | |
| 5367 | /a(*MARK:A)aa(*PRUNE:A)a(*SKIP:A)b|a+c/ |
| 5368 | aaaac |
| 5369 | |
| 5370 | /a(*MARK:A)aa(*MARK:A)a(*SKIP:A)b|a+c/ |
| 5371 | aaaac |
| 5372 | |
| 5373 | /aaa(*PRUNE:A)a(*SKIP:A)b|a+c/ |
| 5374 | aaaac |
| 5375 | |
| 5376 | /aaa(*MARK:A)a(*SKIP:A)b|a+c/ |
| 5377 | aaaac |
| 5378 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5379 | /a(*:m)a(*COMMIT)(*SKIP:m)b|a+c/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5380 | aaaaaac |
| 5381 | |
| 5382 | /.?(a|b(*THEN)c)/ |
| 5383 | ba |
| 5384 | |
| 5385 | /(a(*COMMIT)b)c|abd/ |
| 5386 | abc |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5387 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5388 | abd |
| 5389 | |
| 5390 | /(?=a(*COMMIT)b)abc|abd/ |
| 5391 | abc |
| 5392 | abd |
| 5393 | |
| 5394 | /(?>a(*COMMIT)b)c|abd/ |
| 5395 | abc |
| 5396 | abd |
| 5397 | |
| 5398 | /a(?=b(*COMMIT)c)[^d]|abd/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5399 | abc |
| 5400 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5401 | abd |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5402 | |
| 5403 | /a(?=bc).|abd/ |
| 5404 | abd |
| 5405 | abc |
| 5406 | |
| 5407 | /a(?>b(*COMMIT)c)d|abd/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5408 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5409 | abceabd |
| 5410 | |
| 5411 | /a(?>bc)d|abd/ |
| 5412 | abceabd |
| 5413 | |
| 5414 | /(?>a(*COMMIT)b)c|abd/ |
| 5415 | abd |
| 5416 | |
| 5417 | /(?>a(*COMMIT)c)d|abd/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5418 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5419 | abd |
| 5420 | |
| 5421 | /((?=a(*COMMIT)b)ab|ac){0}(?:(?1)|a(c))/ |
| 5422 | ac |
| 5423 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5424 | # These tests were formerly in test 2, but changes in PCRE and Perl have |
| 5425 | # made them compatible. |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5426 | |
| 5427 | /^(a)?(?(1)a|b)+$/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5428 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5429 | a |
| 5430 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5431 | /A(*PRUNE:A)A+(*SKIP:A)(B|Z) | AC/x,mark |
| 5432 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5433 | AAAC |
| 5434 | |
| 5435 | /^((abc|abcx)(*THEN)y|abcd)/ |
| 5436 | abcd |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5437 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5438 | abcxy |
| 5439 | |
| 5440 | /^((yes|no)(*THEN)(*F))?/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5441 | \= Expect no match |
| 5442 | yes |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5443 | |
| 5444 | /(A (.*) C? (*THEN) | A D) (*FAIL)/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5445 | \= Expect no match |
| 5446 | AbcdCBefgBhiBqz |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5447 | |
| 5448 | /(A (.*) C? (*THEN) | A D) z/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5449 | \= Expect no match |
| 5450 | AbcdCBefgBhiBqz |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5451 | |
| 5452 | /(A (.*) C? (*THEN) | A D) \s* (*FAIL)/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5453 | \= Expect no match |
| 5454 | AbcdCBefgBhiBqz |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5455 | |
| 5456 | /(A (.*) C? (*THEN) | A D) \s* z/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5457 | \= Expect no match |
| 5458 | AbcdCBefgBhiBqz |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5459 | |
| 5460 | /(A (.*) (?:C|) (*THEN) | A D) (*FAIL)/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5461 | \= Expect no match |
| 5462 | AbcdCBefgBhiBqz |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5463 | |
| 5464 | /(A (.*) (?:C|) (*THEN) | A D) z/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5465 | \= Expect no match |
| 5466 | AbcdCBefgBhiBqz |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5467 | |
| 5468 | /(A (.*) C{0,6} (*THEN) | A D) (*FAIL)/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5469 | \= Expect no match |
| 5470 | AbcdCBefgBhiBqz |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5471 | |
| 5472 | /(A (.*) C{0,6} (*THEN) | A D) z/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5473 | \= Expect no match |
| 5474 | AbcdCBefgBhiBqz |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5475 | |
| 5476 | /(A (.*) (CE){0,6} (*THEN) | A D) (*FAIL)/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5477 | \= Expect no match |
| 5478 | AbcdCEBefgBhiBqz |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5479 | |
| 5480 | /(A (.*) (CE){0,6} (*THEN) | A D) z/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5481 | \= Expect no match |
| 5482 | AbcdCEBefgBhiBqz |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5483 | |
| 5484 | /(A (.*) (CE*){0,6} (*THEN) | A D) (*FAIL)/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5485 | \= Expect no match |
| 5486 | AbcdCBefgBhiBqz |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5487 | |
| 5488 | /(A (.*) (CE*){0,6} (*THEN) | A D) z/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5489 | \= Expect no match |
| 5490 | AbcdCBefgBhiBqz |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5491 | |
| 5492 | /(?=a(*COMMIT)b|ac)ac|ac/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5493 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5494 | ac |
| 5495 | |
| 5496 | /(?=a(*COMMIT)b|(ac)) ac | (a)c/x |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5497 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5498 | ac |
| 5499 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5500 | # ---- |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5501 | |
| 5502 | /(?(?!b(*THEN)a)bn|bnn)/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5503 | bnn |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5504 | |
| 5505 | /(?!b(*SKIP)a)bn|bnn/ |
| 5506 | bnn |
| 5507 | |
| 5508 | /(?(?!b(*SKIP)a)bn|bnn)/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5509 | bnn |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5510 | |
| 5511 | /(?!b(*PRUNE)a)bn|bnn/ |
| 5512 | bnn |
| 5513 | |
| 5514 | /(?(?!b(*PRUNE)a)bn|bnn)/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5515 | bnn |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5516 | |
| 5517 | /(?!b(*COMMIT)a)bn|bnn/ |
| 5518 | bnn |
| 5519 | |
| 5520 | /(?(?!b(*COMMIT)a)bn|bnn)/ |
| 5521 | bnn |
| 5522 | |
| 5523 | /(?=b(*SKIP)a)bn|bnn/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5524 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5525 | bnn |
| 5526 | |
| 5527 | /(?=b(*THEN)a)bn|bnn/ |
| 5528 | bnn |
| 5529 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5530 | /^(?!a(*SKIP)b)/ |
| 5531 | ac |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5532 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5533 | /^(?!a(*SKIP)b)../ |
| 5534 | acd |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5535 | |
| 5536 | /(?!a(*SKIP)b)../ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5537 | acd |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5538 | |
| 5539 | /^(?(?!a(*SKIP)b))/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5540 | ac |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5541 | |
| 5542 | /^(?!a(*PRUNE)b)../ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5543 | acd |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5544 | |
| 5545 | /(?!a(*PRUNE)b)../ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5546 | acd |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5547 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5548 | /(?!a(*COMMIT)b)ac|cd/ |
| 5549 | ac |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5550 | |
| 5551 | /\A.*?(?:a|bc)/ |
| 5552 | ba |
| 5553 | |
| 5554 | /^(A(*THEN)B|C(*THEN)D)/ |
| 5555 | CD |
| 5556 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5557 | /(*:m(m)(?&y)(?(DEFINE)(?<y>b))/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5558 | abc |
| 5559 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5560 | /(*PRUNE:m(m)(?&y)(?(DEFINE)(?<y>b))/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5561 | abc |
| 5562 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5563 | /(*SKIP:m(m)(?&y)(?(DEFINE)(?<y>b))/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5564 | abc |
| 5565 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5566 | /(*THEN:m(m)(?&y)(?(DEFINE)(?<y>b))/mark |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5567 | abc |
| 5568 | |
| 5569 | /^\d*\w{4}/ |
| 5570 | 1234 |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5571 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5572 | 123 |
| 5573 | |
| 5574 | /^[^b]*\w{4}/ |
| 5575 | aaaa |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5576 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5577 | aaa |
| 5578 | |
| 5579 | /^[^b]*\w{4}/i |
| 5580 | aaaa |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5581 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5582 | aaa |
| 5583 | |
| 5584 | /^a*\w{4}/ |
| 5585 | aaaa |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5586 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5587 | aaa |
| 5588 | |
| 5589 | /^a*\w{4}/i |
| 5590 | aaaa |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5591 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5592 | aaa |
| 5593 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5594 | /(?:(?<n>foo)|(?<n>bar))\k<n>/dupnames |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5595 | foofoo |
| 5596 | barbar |
| 5597 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5598 | /(?<n>A)(?:(?<n>foo)|(?<n>bar))\k<n>/dupnames |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5599 | AfooA |
| 5600 | AbarA |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5601 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5602 | Afoofoo |
| 5603 | Abarbar |
| 5604 | |
| 5605 | /^(\d+)\s+IN\s+SOA\s+(\S+)\s+(\S+)\s*\(\s*$/ |
| 5606 | 1 IN SOA non-sp1 non-sp2( |
| 5607 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5608 | /^ (?:(?<A>A)|(?'B'B)(?<A>A)) (?('A')x) (?(<B>)y)$/x,dupnames |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5609 | Ax |
| 5610 | BAxy |
| 5611 | |
| 5612 | /^A\xZ/ |
| 5613 | A\0Z |
| 5614 | |
| 5615 | /^A\o{123}B/ |
| 5616 | A\123B |
| 5617 | |
| 5618 | / ^ a + + b $ /x |
| 5619 | aaaab |
| 5620 | |
| 5621 | / ^ a + #comment |
| 5622 | + b $ /x |
| 5623 | aaaab |
| 5624 | |
| 5625 | / ^ a + #comment |
| 5626 | #comment |
| 5627 | + b $ /x |
| 5628 | aaaab |
| 5629 | |
| 5630 | / ^ (?> a + ) b $ /x |
| 5631 | aaaab |
| 5632 | |
| 5633 | / ^ ( a + ) + + \w $ /x |
| 5634 | aaaab |
| 5635 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5636 | /(?:a\Kb)*+/aftertext |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5637 | ababc |
| 5638 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5639 | /(?>a\Kb)*/aftertext |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5640 | ababc |
| 5641 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5642 | /(?:a\Kb)*/aftertext |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5643 | ababc |
| 5644 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5645 | /(a\Kb)*+/aftertext |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5646 | ababc |
| 5647 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5648 | /(a\Kb)*/aftertext |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5649 | ababc |
| 5650 | |
| 5651 | /(?:x|(?:(xx|yy)+|x|x|x|x|x)|a|a|a)bc/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5652 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5653 | acb |
| 5654 | |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 5655 | /\A(?:[^\"]++|\"(?:[^\"]*+|\"\")*+\")++/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5656 | NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED |
| 5657 | |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 5658 | /\A(?:[^\"]++|\"(?:[^\"]++|\"\")*+\")++/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5659 | NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED |
| 5660 | |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 5661 | /\A(?:[^\"]++|\"(?:[^\"]++|\"\")++\")++/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5662 | NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED |
| 5663 | |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 5664 | /\A([^\"1]++|[\"2]([^\"3]*+|[\"4][\"5])*+[\"6])++/ |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5665 | NON QUOTED \"QUOT\"\"ED\" AFTER \"NOT MATCHED |
| 5666 | |
| 5667 | /^\w+(?>\s*)(?<=\w)/ |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5668 | test test |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5669 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5670 | /(?P<same>a)(?P<same>b)/g,dupnames |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5671 | abbaba |
| 5672 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5673 | /(?P<same>a)(?P<same>b)(?P=same)/g,dupnames |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5674 | abbaba |
| 5675 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5676 | /(?P=same)?(?P<same>a)(?P<same>b)/g,dupnames |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5677 | abbaba |
| 5678 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5679 | /(?:(?P=same)?(?:(?P<same>a)|(?P<same>b))(?P=same))+/g,dupnames |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5680 | bbbaaabaabb |
| 5681 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5682 | /(?:(?P=same)?(?:(?P=same)(?P<same>a)(?P=same)|(?P=same)?(?P<same>b)(?P=same)){2}(?P=same)(?P<same>c)(?P=same)){2}(?P<same>z)?/g,dupnames |
| 5683 | \= Expect no match |
Nick Kralevich | f73ff17 | 2014-09-27 12:41:49 -0700 | [diff] [blame] | 5684 | bbbaaaccccaaabbbcc |
| 5685 | |
| 5686 | /(?P<Name>a)?(?P<Name2>b)?(?(<Name>)c|d)*l/ |
| 5687 | acl |
| 5688 | bdl |
| 5689 | adl |
| 5690 | bcl |
| 5691 | |
| 5692 | /\sabc/ |
| 5693 | \x{0b}abc |
| 5694 | |
| 5695 | /[\Qa]\E]+/ |
| 5696 | aa]] |
| 5697 | |
| 5698 | /[\Q]a\E]+/ |
| 5699 | aa]] |
| 5700 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5701 | /A((((((((a))))))))\8B/ |
| 5702 | AaaB |
| 5703 | |
| 5704 | /A(((((((((a)))))))))\9B/ |
| 5705 | AaaB |
| 5706 | |
| 5707 | /A[\8\9]B/ |
| 5708 | A8B |
| 5709 | A9B |
| 5710 | |
| 5711 | /(|ab)*?d/ |
| 5712 | abd |
| 5713 | xyd |
| 5714 | |
Elliott Hughes | 8366e8b | 2015-08-14 20:48:15 -0700 | [diff] [blame] | 5715 | /(?:((abcd))|(((?:(?:(?:(?:abc|(?:abcdef))))b)abcdefghi)abc)|((*ACCEPT)))/ |
| 5716 | 1234abcd |
| 5717 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5718 | /(\2|a)(\1)/ |
| 5719 | aaa |
| 5720 | |
Elliott Hughes | 8366e8b | 2015-08-14 20:48:15 -0700 | [diff] [blame] | 5721 | /(\2)(\1)/ |
| 5722 | |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 5723 | /Z*(|d*){216}/ |
Elliott Hughes | 8366e8b | 2015-08-14 20:48:15 -0700 | [diff] [blame] | 5724 | |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 5725 | /(?1)(?#?'){8}(a)/ |
Elliott Hughes | 8366e8b | 2015-08-14 20:48:15 -0700 | [diff] [blame] | 5726 | baaaaaaaaac |
| 5727 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5728 | /((((((((((((x))))))))))))\12/ |
| 5729 | xx |
| 5730 | |
| 5731 | /A[\8]B[\9]C/ |
| 5732 | A8B9C |
| 5733 | |
| 5734 | /(?1)()((((((\1++))\x85)+)|))/ |
| 5735 | \x85\x85 |
| 5736 | |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 5737 | /(?|(\k'Pm')|(?'Pm'))/ |
Elliott Hughes | 0ea9883 | 2015-12-04 23:18:20 -0800 | [diff] [blame] | 5738 | abcd |
| 5739 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 5740 | /(?|(aaa)|(b))\g{1}/ |
| 5741 | aaaaaa |
| 5742 | bb |
| 5743 | |
| 5744 | /(?|(aaa)|(b))(?1)/ |
| 5745 | aaaaaa |
| 5746 | baaa |
| 5747 | \= Expect no match |
| 5748 | bb |
| 5749 | |
| 5750 | /(?|(aaa)|(b))/ |
| 5751 | xaaa |
| 5752 | xbc |
| 5753 | |
| 5754 | /(?|(?'a'aaa)|(?'a'b))\k'a'/ |
| 5755 | aaaaaa |
| 5756 | bb |
| 5757 | |
| 5758 | /(?|(?'a'aaa)|(?'a'b))(?'a'cccc)\k'a'/dupnames |
| 5759 | aaaccccaaa |
| 5760 | bccccb |
| 5761 | |
Elliott Hughes | 9bc971b | 2018-07-27 13:23:14 -0700 | [diff] [blame] | 5762 | # /x does not apply to MARK labels |
| 5763 | |
| 5764 | /x (*MARK:ab cd # comment |
| 5765 | ef) x/x,mark |
| 5766 | axxz |
| 5767 | |
| 5768 | /(?<=a(B){0}c)X/ |
| 5769 | acX |
| 5770 | |
| 5771 | /(?<DEFINE>b)(?(DEFINE)(a+))(?&DEFINE)/ |
| 5772 | bbbb |
| 5773 | \= Expect no match |
| 5774 | baaab |
| 5775 | |
| 5776 | /(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*[,;:])(?=.{8,16})(?!.*[\s])/ |
| 5777 | \ Fred:099 |
| 5778 | |
| 5779 | /(?=.*X)X$/ |
| 5780 | \ X |
| 5781 | |
| 5782 | /(?s)(?=.*?)b/ |
| 5783 | aabc |
| 5784 | |
| 5785 | /(Z)(a)\2{1,2}?(?-i)\1X/i |
| 5786 | ZaAAZX |
| 5787 | |
| 5788 | /(?'c')XX(?'YYYYYYYYYYYYYYYYYYYYYYYCl')/ |
| 5789 | |
| 5790 | /[s[:digit:]\E-H]+/ |
| 5791 | s09-H |
| 5792 | |
| 5793 | /[s[:digit:]\Q\E-H]+/ |
| 5794 | s09-H |
| 5795 | |
| 5796 | /a+(?:|b)a/ |
| 5797 | aaaa |
| 5798 | |
| 5799 | /X?(R||){3335}/ |
| 5800 | |
| 5801 | /(?1)(A(*COMMIT)|B)D/ |
| 5802 | ABD |
| 5803 | XABD |
| 5804 | BAD |
| 5805 | ABXABD |
| 5806 | \= Expect no match |
| 5807 | ABX |
| 5808 | |
| 5809 | /(?(DEFINE)(?<m> 1? (?=(?<cond>2)?) 1 2 (?('cond')|3))) |
| 5810 | \A |
| 5811 | () |
| 5812 | (?&m) |
| 5813 | \Z/x |
| 5814 | 123 |
| 5815 | |
| 5816 | /^(?: |
| 5817 | (?: A| (1? (?=(?<cond>2)?) (1) 2 (?('cond')|3)) ) |
| 5818 | (Z) |
| 5819 | )+$/x |
| 5820 | AZ123Z |
| 5821 | \= Expect no match |
| 5822 | AZ12Z |
| 5823 | |
| 5824 | /^ (?(DEFINE) ( (?!(a)\2b)..) ) ()(?1) /x |
| 5825 | acb |
| 5826 | \= Expect no match |
| 5827 | aab |
| 5828 | |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 5829 | /(?>ab|abab){1,5}?M/ |
Elliott Hughes | 9bc971b | 2018-07-27 13:23:14 -0700 | [diff] [blame] | 5830 | abababababababababababM |
| 5831 | |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 5832 | /(?>ab|abab){2}?M/ |
Elliott Hughes | 9bc971b | 2018-07-27 13:23:14 -0700 | [diff] [blame] | 5833 | abababM |
| 5834 | |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 5835 | /((?(?=(a))a)+k)/ |
Elliott Hughes | 9bc971b | 2018-07-27 13:23:14 -0700 | [diff] [blame] | 5836 | bbak |
| 5837 | |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 5838 | /((?(?=(a))a|)+k)/ |
Elliott Hughes | 9bc971b | 2018-07-27 13:23:14 -0700 | [diff] [blame] | 5839 | bbak |
| 5840 | |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 5841 | /(?(?!(b))a|b)+k/ |
Elliott Hughes | 9bc971b | 2018-07-27 13:23:14 -0700 | [diff] [blame] | 5842 | ababbalbbadabak |
| 5843 | |
| 5844 | /(?!(b))c|b/ |
| 5845 | Ab |
| 5846 | Ac |
| 5847 | |
| 5848 | /(?=(b))b|c/ |
| 5849 | Ab |
| 5850 | Ac |
| 5851 | |
| 5852 | /^(.|(.)(?1)\2)$/ |
| 5853 | a |
| 5854 | aba |
| 5855 | abcba |
| 5856 | ababa |
| 5857 | abcdcba |
| 5858 | |
| 5859 | /^((.)(?1)\2|.?)$/ |
| 5860 | a |
| 5861 | aba |
| 5862 | abba |
| 5863 | abcba |
| 5864 | ababa |
| 5865 | abccba |
| 5866 | abcdcba |
| 5867 | abcddcba |
| 5868 | |
| 5869 | /^(.)(\1|a(?2))/ |
| 5870 | bab |
| 5871 | |
| 5872 | /^(.|(.)(?1)?\2)$/ |
| 5873 | abcba |
| 5874 | |
| 5875 | /^(?(?=(a))abc|def)/ |
| 5876 | abc |
| 5877 | |
| 5878 | /^(?(?!(a))def|abc)/ |
| 5879 | abc |
| 5880 | |
| 5881 | /^(?(?=(a)(*ACCEPT))abc|def)/ |
| 5882 | abc |
| 5883 | |
| 5884 | /^(?(?!(a)(*ACCEPT))def|abc)/ |
| 5885 | abc |
| 5886 | |
| 5887 | /^(?1)\d{3}(a)/ |
| 5888 | a123a |
| 5889 | |
| 5890 | # This pattern uses a lot of named subpatterns in order to match email |
| 5891 | # addresses in various formats. It's a heavy test for named subpatterns. In the |
| 5892 | # <atext> group, slash is coded as \x{2f} so that this pattern can also be |
| 5893 | # processed by perltest.sh, which does not cater for an escaped delimiter |
| 5894 | # within the pattern. $ within the pattern must also be escaped. All $ and @ |
| 5895 | # characters in subject strings are escaped so that Perl doesn't interpret them |
| 5896 | # as variable insertions and " characters must also be escaped for Perl. |
| 5897 | |
| 5898 | # This set of subpatterns is more or less a direct transliteration of the BNF |
| 5899 | # definitions in RFC2822, without any of the obsolete features. The addition of |
| 5900 | # a possessive + to the definition of <phrase> reduced the match limit in PCRE2 |
| 5901 | # from over 5 million to just under 400, and eliminated a very noticeable delay |
| 5902 | # when this file was passed to perltest.sh. |
| 5903 | |
| 5904 | /(?ix)(?(DEFINE) |
| 5905 | (?<addr_spec> (?&local_part) \@ (?&domain) ) |
| 5906 | (?<angle_addr> (?&CFWS)?+ < (?&addr_spec) > (?&CFWS)?+ ) |
| 5907 | (?<atext> [a-z\d!#\$%&'*+-\x{2f}=?^_`{|}~] ) |
| 5908 | (?<atom> (?&CFWS)?+ (?&atext)+ (?&CFWS)?+ ) |
| 5909 | (?<ccontent> (?&ctext) | (?"ed_pair) | (?&comment) ) |
| 5910 | (?<ctext> [^\x{9}\x{10}\x{13}\x{7f}-\x{ff}\ ()\\] ) |
| 5911 | (?<comment> \( (?: (?&FWS)?+ (?&ccontent) )*+ (?&FWS)?+ \) ) |
| 5912 | (?<CFWS> (?: (?&FWS)?+ (?&comment) )* (?# NOT possessive) |
| 5913 | (?: (?&FWS)?+ (?&comment) | (?&FWS) ) ) |
| 5914 | (?<dcontent> (?&dtext) | (?"ed_pair) ) |
| 5915 | (?<display_name> (?&phrase) ) |
| 5916 | (?<domain> (?&dot_atom) | (?&domain_literal) ) |
| 5917 | (?<domain_literal> (?&CFWS)?+ \[ (?: (?&FWS)?+ (?&dcontent) )* (?&FWS)?+ \] |
| 5918 | (?&CFWS)?+ ) |
| 5919 | (?<dot_atom> (?&CFWS)?+ (?&dot_atom_text) (?&CFWS)?+ ) |
| 5920 | (?<dot_atom_text> (?&atext)++ (?: \. (?&atext)++)*+ ) |
| 5921 | (?<dtext> [^\x{9}\x{10}\x{13}\x{7f}-\x{ff}\ \[\]\\] ) |
| 5922 | (?<FWS> (?: [\t\ ]*+ \n)?+ [\t\ ]++ ) |
| 5923 | (?<local_part> (?&dot_atom) | (?"ed_string) ) |
| 5924 | (?<mailbox> (?&name_addr) | (?&addr_spec) ) |
| 5925 | (?<name_addr> (?&display_name)? (?&angle_addr) ) |
| 5926 | (?<phrase> (?&word)++ ) |
| 5927 | (?<qcontent> (?&qtext) | (?"ed_pair) ) |
| 5928 | (?<quoted_pair> " (?&text) ) |
| 5929 | (?<quoted_string> (?&CFWS)?+ " (?: (?&FWS)?+ (?&qcontent))* (?&FWS)?+ " |
| 5930 | (?&CFWS)?+ ) |
| 5931 | (?<qtext> [^\x{9}\x{10}\x{13}\x{7f}-\x{ff}\ "\\] ) |
| 5932 | (?<text> [^\r\n] ) |
| 5933 | (?<word> (?&atom) | (?"ed_string) ) |
| 5934 | ) # End DEFINE |
| 5935 | ^(?&mailbox)$/ |
| 5936 | Alan Other <user\@dom.ain> |
| 5937 | <user\@dom.ain> |
| 5938 | user\@dom.ain |
| 5939 | user\@[] |
| 5940 | user\@[domain literal] |
| 5941 | user\@[domain literal with \"[square brackets\"] inside] |
| 5942 | \"A. Other\" <user.1234\@dom.ain> (a comment) |
| 5943 | A. Other <user.1234\@dom.ain> (a comment) |
| 5944 | \"/s=user/ou=host/o=place/prmd=uu.yy/admd= /c=gb/\"\@x400-re.lay |
| 5945 | \= Expect no match |
| 5946 | A missing angle <user\@some.where |
| 5947 | The quick brown fox |
| 5948 | |
| 5949 | # -------------------------------------------------------------------------- |
| 5950 | |
| 5951 | # This pattern uses named groups to match default PCRE2 patterns. It's another |
| 5952 | # heavy test for named subpatterns. Once again, code slash as \x{2f} and escape |
| 5953 | # $ even in classes so that this works with pcre2test. |
| 5954 | |
| 5955 | /(?sx)(?(DEFINE) |
| 5956 | |
| 5957 | (?<assertion> (?&simple_assertion) | (?&lookaround) ) |
| 5958 | |
| 5959 | (?<atomic_group> \( \? > (?®ex) \) ) |
| 5960 | |
| 5961 | (?<back_reference> \\ \d+ | |
| 5962 | \\g (?: [+-]?\d+ | \{ (?: [+-]?\d+ | (?&groupname) ) \} ) | |
| 5963 | \\k <(?&groupname)> | |
| 5964 | \\k '(?&groupname)' | |
| 5965 | \\k \{ (?&groupname) \} | |
| 5966 | \( \? P= (?&groupname) \) ) |
| 5967 | |
| 5968 | (?<branch> (?:(?&assertion) | |
| 5969 | (?&callout) | |
| 5970 | (?&comment) | |
| 5971 | (?&option_setting) | |
| 5972 | (?&qualified_item) | |
| 5973 | (?"ed_string) | |
| 5974 | (?"ed_string_empty) | |
| 5975 | (?&special_escape) | |
| 5976 | (?&verb) |
| 5977 | )* ) |
| 5978 | |
| 5979 | (?<callout> \(\?C (?: \d+ | |
| 5980 | (?: (?<D>["'`^%\#\$]) |
| 5981 | (?: \k'D'\k'D' | (?!\k'D') . )* \k'D' | |
| 5982 | \{ (?: \}\} | [^}]*+ )* \} ) |
| 5983 | )? \) ) |
| 5984 | |
| 5985 | (?<capturing_group> \( (?: \? P? < (?&groupname) > | \? ' (?&groupname) ' )? |
| 5986 | (?®ex) \) ) |
| 5987 | |
| 5988 | (?<character_class> \[ \^?+ (?: \] (?&class_item)* | (?&class_item)+ ) \] ) |
| 5989 | |
| 5990 | (?<character_type> (?! \\N\{\w+\} ) \\ [dDsSwWhHvVRN] ) |
| 5991 | |
| 5992 | (?<class_item> (?: \[ : (?: |
| 5993 | alnum|alpha|ascii|blank|cntrl|digit|graph|lower|print| |
| 5994 | punct|space|upper|word|xdigit |
| 5995 | ) : \] | |
| 5996 | (?"ed_string) | |
| 5997 | (?"ed_string_empty) | |
| 5998 | (?&escaped_character) | |
| 5999 | (?&character_type) | |
| 6000 | [^]] ) ) |
| 6001 | |
| 6002 | (?<comment> \(\?\# [^)]* \) | (?"ed_string_empty) | \\E ) |
| 6003 | |
| 6004 | (?<condition> (?: \( [+-]? \d+ \) | |
| 6005 | \( < (?&groupname) > \) | |
| 6006 | \( ' (?&groupname) ' \) | |
| 6007 | \( R \d* \) | |
| 6008 | \( R & (?&groupname) \) | |
| 6009 | \( (?&groupname) \) | |
| 6010 | \( DEFINE \) | |
| 6011 | \( VERSION >?=\d+(?:\.\d\d?)? \) | |
| 6012 | (?&callout)?+ (?&comment)* (?&lookaround) ) ) |
| 6013 | |
| 6014 | (?<conditional_group> \(\? (?&condition) (?&branch) (?: \| (?&branch) )? \) ) |
| 6015 | |
| 6016 | (?<delimited_regex> (?<delimiter> [-\x{2f}!"'`=_:;,%&@~]) (?®ex) |
| 6017 | \k'delimiter' .* ) |
| 6018 | |
| 6019 | (?<escaped_character> \\ (?: 0[0-7]{1,2} | [0-7]{1,3} | o\{ [0-7]+ \} | |
| 6020 | x \{ (*COMMIT) [[:xdigit:]]* \} | x [[:xdigit:]]{0,2} | |
| 6021 | [aefnrt] | c[[:print:]] | |
| 6022 | [^[:alnum:]] ) ) |
| 6023 | |
| 6024 | (?<group> (?&capturing_group) | (?&non_capturing_group) | |
| 6025 | (?&resetting_group) | (?&atomic_group) | |
| 6026 | (?&conditional_group) ) |
| 6027 | |
| 6028 | (?<groupname> [a-zA-Z_]\w* ) |
| 6029 | |
| 6030 | (?<literal_character> (?! (?&range_qualifier) ) [^[()|*+?.\$\\] ) |
| 6031 | |
| 6032 | (?<lookaround> \(\? (?: = | ! | <= | <! ) (?®ex) \) ) |
| 6033 | |
| 6034 | (?<non_capturing_group> \(\? [iJmnsUx-]* : (?®ex) \) ) |
| 6035 | |
| 6036 | (?<option_setting> \(\? [iJmnsUx-]* \) ) |
| 6037 | |
| 6038 | (?<qualified_item> (?:\. | |
| 6039 | (?&lookaround) | |
| 6040 | (?&back_reference) | |
| 6041 | (?&character_class) | |
| 6042 | (?&character_type) | |
| 6043 | (?&escaped_character) | |
| 6044 | (?&group) | |
| 6045 | (?&subroutine_call) | |
| 6046 | (?&literal_character) | |
| 6047 | (?"ed_string) |
| 6048 | ) (?&comment)? (?&qualifier)? ) |
| 6049 | |
| 6050 | (?<qualifier> (?: [?*+] | (?&range_qualifier) ) [+?]? ) |
| 6051 | |
| 6052 | (?<quoted_string> (?: \\Q (?: (?!\\E | \k'delimiter') . )++ (?: \\E | ) ) ) |
| 6053 | |
| 6054 | (?<quoted_string_empty> \\Q\\E ) |
| 6055 | |
| 6056 | (?<range_qualifier> \{ (?: \d+ (?: , \d* )? | , \d+ ) \} ) |
| 6057 | |
| 6058 | (?<regex> (?&start_item)* (?&branch) (?: \| (?&branch) )* ) |
| 6059 | |
| 6060 | (?<resetting_group> \( \? \| (?®ex) \) ) |
| 6061 | |
| 6062 | (?<simple_assertion> \^ | \$ | \\A | \\b | \\B | \\G | \\z | \\Z ) |
| 6063 | |
| 6064 | (?<special_escape> \\K ) |
| 6065 | |
| 6066 | (?<start_item> \( \* (?: |
| 6067 | ANY | |
| 6068 | ANYCRLF | |
| 6069 | BSR_ANYCRLF | |
| 6070 | BSR_UNICODE | |
| 6071 | CR | |
| 6072 | CRLF | |
| 6073 | LF | |
| 6074 | LIMIT_MATCH=\d+ | |
| 6075 | LIMIT_DEPTH=\d+ | |
| 6076 | LIMIT_HEAP=\d+ | |
| 6077 | NOTEMPTY | |
| 6078 | NOTEMPTY_ATSTART | |
| 6079 | NO_AUTO_POSSESS | |
| 6080 | NO_DOTSTAR_ANCHOR | |
| 6081 | NO_JIT | |
| 6082 | NO_START_OPT | |
| 6083 | NUL | |
| 6084 | UTF | |
| 6085 | UCP ) \) ) |
| 6086 | |
| 6087 | (?<subroutine_call> (?: \(\?R\) | \(\?[+-]?\d+\) | |
| 6088 | \(\? (?: & | P> ) (?&groupname) \) | |
| 6089 | \\g < (?&groupname) > | |
| 6090 | \\g ' (?&groupname) ' | |
| 6091 | \\g < [+-]? \d+ > | |
| 6092 | \\g ' [+-]? \d+ ) ) |
| 6093 | |
| 6094 | (?<verb> \(\* (?: ACCEPT | FAIL | F | COMMIT | |
| 6095 | (?:MARK)?:(?&verbname) | |
| 6096 | (?:PRUNE|SKIP|THEN) (?: : (?&verbname)? )? ) \) ) |
| 6097 | |
| 6098 | (?<verbname> [^)]+ ) |
| 6099 | |
| 6100 | ) # End DEFINE |
| 6101 | # Kick it all off... |
| 6102 | ^(?&delimited_regex)$/subject_literal,jitstack=256 |
| 6103 | /^(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\11*(\3\4)\1(?#)2$/ |
| 6104 | /(cat(a(ract|tonic)|erpillar)) \1()2(3)/ |
| 6105 | /^From +([^ ]+) +[a-zA-Z][a-zA-Z][a-zA-Z] +[a-zA-Z][a-zA-Z][a-zA-Z] +[0-9]?[0-9] +[0-9][0-9]:[0-9][0-9]/ |
| 6106 | /^From\s+\S+\s+([a-zA-Z]{3}\s+){2}\d{1,2}\s+\d\d:\d\d/ |
| 6107 | /<tr([\w\W\s\d][^<>]{0,})><TD([\w\W\s\d][^<>]{0,})>([\d]{0,}\.)(.*)((<BR>([\w\W\s\d][^<>]{0,})|[\s]{0,}))<\/a><\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><TD([\w\W\s\d][^<>]{0,})>([\w\W\s\d][^<>]{0,})<\/TD><\/TR>/is |
| 6108 | /^(?(DEFINE) (?<A> a) (?<B> b) ) (?&A) (?&B) / |
| 6109 | /(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))\b(?&byte)(\.(?&byte)){3}/ |
| 6110 | /\b(?&byte)(\.(?&byte)){3}(?(DEFINE)(?<byte>2[0-4]\d|25[0-5]|1\d\d|[1-9]?\d))/ |
| 6111 | /^(\w++|\s++)*$/ |
| 6112 | /a+b?(*THEN)c+(*FAIL)/ |
| 6113 | /(A (A|B(*ACCEPT)|C) D)(E)/x |
| 6114 | /^\W*+(?:((.)\W*+(?1)\W*+\2|)|((.)\W*+(?3)\W*+\4|\W*+.\W*+))\W*+$/i |
| 6115 | /A(*PRUNE)B(*SKIP)C(*THEN)D(*COMMIT)E(*F)F(*FAIL)G(?!)H(*ACCEPT)I/B |
| 6116 | /(?C`a``b`)(?C'a''b')(?C"a""b")(?C^a^^b^)(?C%a%%b%)(?C#a##b#)(?C$a$$b$)(?C{a}}b})/B,callout_info |
| 6117 | /(?sx)(?(DEFINE)(?<assertion> (?&simple_assertion) | (?&lookaround) )(?<atomic_group> \( \? > (?®ex) \) )(?<back_reference> \\ \d+ | \\g (?: [+-]?\d+ | \{ (?: [+-]?\d+ | (?&groupname) ) \} ) | \\k <(?&groupname)> | \\k '(?&groupname)' | \\k \{ (?&groupname) \} | \( \? P= (?&groupname) \) )(?<branch> (?:(?&assertion) | (?&callout) | (?&comment) | (?&option_setting) | (?&qualified_item) | (?"ed_string) | (?"ed_string_empty) | (?&special_escape) | (?&verb) )* )(?<callout> \(\?C (?: \d+ | (?: (?<D>["'`^%\#\$]) (?: \k'D'\k'D' | (?!\k'D') . )* \k'D' | \{ (?: \}\} | [^}]*+ )* \} ) )? \) )(?<capturing_group> \( (?: \? P? < (?&groupname) > | \? ' (?&groupname) ' )? (?®ex) \) )(?<character_class> \[ \^?+ (?: \] (?&class_item)* | (?&class_item)+ ) \] )(?<character_type> (?! \\N\{\w+\} ) \\ [dDsSwWhHvVRN] )(?<class_item> (?: \[ : (?: alnum|alpha|ascii|blank|cntrl|digit|graph|lower|print| punct|space|upper|word|xdigit ) : \] | (?"ed_string) | (?"ed_string_empty) | (?&escaped_character) | (?&character_type) | [^]] ) )(?<comment> \(\?\# [^)]* \) | (?"ed_string_empty) | \\E )(?<condition> (?: \( [+-]? \d+ \) | \( < (?&groupname) > \) | \( ' (?&groupname) ' \) | \( R \d* \) | \( R & (?&groupname) \) | \( (?&groupname) \) | \( DEFINE \) | \( VERSION >?=\d+(?:\.\d\d?)? \) | (?&callout)?+ (?&comment)* (?&lookaround) ) )(?<conditional_group> \(\? (?&condition) (?&branch) (?: \| (?&branch) )? \) )(?<delimited_regex> (?<delimiter> [-\x{2f}!"'`=_:;,%&@~]) (?®ex) \k'delimiter' .* )(?<escaped_character> \\ (?: 0[0-7]{1,2} | [0-7]{1,3} | o\{ [0-7]+ \} | x \{ (*COMMIT) [[:xdigit:]]* \} | x [[:xdigit:]]{0,2} | [aefnrt] | c[[:print:]] | [^[:alnum:]] ) )(?<group> (?&capturing_group) | (?&non_capturing_group) | (?&resetting_group) | (?&atomic_group) | (?&conditional_group) )(?<groupname> [a-zA-Z_]\w* )(?<literal_character> (?! (?&range_qualifier) ) [^[()|*+?.\$\\] )(?<lookaround> \(\? (?: = | ! | <= | <! ) (?®ex) \) )(?<non_capturing_group> \(\? [iJmnsUx-]* : (?®ex) \) )(?<option_setting> \(\? [iJmnsUx-]* \) )(?<qualified_item> (?:\. | (?&lookaround) | (?&back_reference) | (?&character_class) | (?&character_type) | (?&escaped_character) | (?&group) | (?&subroutine_call) | (?&literal_character) | (?"ed_string) ) (?&comment)? (?&qualifier)? )(?<qualifier> (?: [?*+] | (?&range_qualifier) ) [+?]? )(?<quoted_string> (?: \\Q (?: (?!\\E | \k'delimiter') . )++ (?: \\E | ) ) ) (?<quoted_string_empty> \\Q\\E ) (?<range_qualifier> \{ (?: \d+ (?: , \d* )? | , \d+ ) \} )(?<regex> (?&start_item)* (?&branch) (?: \| (?&branch) )* )(?<resetting_group> \( \? \| (?®ex) \) )(?<simple_assertion> \^ | \$ | \\A | \\b | \\B | \\G | \\z | \\Z )(?<special_escape> \\K )(?<start_item> \( \* (?: ANY | ANYCRLF | BSR_ANYCRLF | BSR_UNICODE | CR | CRLF | LF | LIMIT_MATCH=\d+ | LIMIT_DEPTH=\d+ | LIMIT_HEAP=\d+ | NOTEMPTY | NOTEMPTY_ATSTART | NO_AUTO_POSSESS | NO_DOTSTAR_ANCHOR | NO_JIT | NO_START_OPT | NUL | UTF | UCP ) \) )(?<subroutine_call> (?: \(\?R\) | \(\?[+-]?\d+\) | \(\? (?: & | P> ) (?&groupname) \) | \\g < (?&groupname) > | \\g ' (?&groupname) ' | \\g < [+-]? \d+ > | \\g ' [+-]? \d+ ) )(?<verb> \(\* (?: ACCEPT | FAIL | F | COMMIT | (?:MARK)?:(?&verbname) | (?:PRUNE|SKIP|THEN) (?: : (?&verbname)? )? ) \) )(?<verbname> [^)]+ ))^(?&delimited_regex)$/ |
| 6118 | \= Expect no match |
| 6119 | /((?(?C'')\QX\E(?!((?(?C'')(?!X=X));=)r*X=X));=)/ |
| 6120 | /(?:(?(2y)a|b)(X))+/ |
| 6121 | /a(*MARK)b/ |
| 6122 | /a(*CR)b/ |
| 6123 | /(?P<abn>(?P=abn)(?<badstufxxx)/ |
| 6124 | |
| 6125 | # -------------------------------------------------------------------------- |
| 6126 | |
| 6127 | /<(?x:[a b])>/xx |
| 6128 | < > |
| 6129 | |
| 6130 | /<(?:[a b])>/xx |
| 6131 | < > |
| 6132 | |
| 6133 | /<(?xxx:[a b])>/ |
| 6134 | < > |
| 6135 | |
| 6136 | /<(?-x:[a b])>/xx |
| 6137 | < > |
| 6138 | |
| 6139 | /[[:digit:]-]+/ |
| 6140 | 12-24 |
| 6141 | |
| 6142 | /((?<=((*ACCEPT)) )\1?\b) / |
| 6143 | \= Expect no match |
| 6144 | ((?<=((*ACCEPT)) )\\1?\\b)\x20 |
| 6145 | |
| 6146 | /((?<=((*ACCEPT))X)\1?Y)\1/ |
| 6147 | XYYZ |
| 6148 | |
| 6149 | /((?<=((*ACCEPT))X)\1?Y(*ACCEPT))\1/ |
| 6150 | XYYZ |
| 6151 | |
| 6152 | /(?(DEFINE)(?<optional_a>a?)X)^(?&optional_a)a$/ |
| 6153 | aa |
| 6154 | a |
| 6155 | |
| 6156 | /^(a?)b(?1)a/ |
| 6157 | abaa |
| 6158 | aba |
| 6159 | baa |
| 6160 | ba |
| 6161 | |
| 6162 | /^(a?)+b(?1)a/ |
| 6163 | abaa |
| 6164 | aba |
| 6165 | baa |
| 6166 | ba |
| 6167 | |
| 6168 | /^(a?)++b(?1)a/ |
| 6169 | abaa |
| 6170 | aba |
| 6171 | baa |
| 6172 | ba |
| 6173 | |
| 6174 | /^(a?)+b/ |
| 6175 | b |
| 6176 | ab |
| 6177 | aaab |
| 6178 | |
| 6179 | /(?=a+)a(a+)++b/ |
| 6180 | aab |
| 6181 | |
Elliott Hughes | 653c210 | 2019-01-09 15:41:36 -0800 | [diff] [blame] | 6182 | /(?<=\G.)/g,aftertext |
| 6183 | abc |
| 6184 | |
| 6185 | /(?<=(?=.)?)/ |
| 6186 | |
| 6187 | /(?<=(?=.)?+)/ |
| 6188 | |
| 6189 | /(?<=(?=.)*)/ |
| 6190 | |
| 6191 | /(?<=(?=.){4,5})/ |
| 6192 | |
| 6193 | /(?<=(?=.){4,5}x)/ |
| 6194 | |
| 6195 | /a(?=.(*:X))(*SKIP:X)(*F)|(.)/ |
| 6196 | abc |
| 6197 | |
| 6198 | /a(?>(*:X))(*SKIP:X)(*F)|(.)/ |
| 6199 | abc |
| 6200 | |
| 6201 | /a(?:(*:X))(*SKIP:X)(*F)|(.)/ |
| 6202 | abc |
| 6203 | |
| 6204 | #pattern no_start_optimize |
| 6205 | |
| 6206 | /(?>a(*:1))(?>b(*:1))(*SKIP:1)x|.*/ |
| 6207 | abc |
| 6208 | |
| 6209 | /(?>a(*:1))(?>b)(*SKIP:1)x|.*/ |
| 6210 | abc |
| 6211 | |
| 6212 | #subject mark |
| 6213 | |
| 6214 | /a(*ACCEPT:X)b/ |
| 6215 | abc |
| 6216 | |
| 6217 | /(?=a(*ACCEPT:QQ)bc)axyz/ |
| 6218 | axyz |
| 6219 | |
| 6220 | /(?(DEFINE)(a(*ACCEPT:X)))(?1)b/ |
| 6221 | abc |
| 6222 | |
| 6223 | /a(*F:X)b/ |
| 6224 | abc |
| 6225 | |
| 6226 | /(?(DEFINE)(a(*F:X)))(?1)b/ |
| 6227 | abc |
| 6228 | |
| 6229 | /a(*COMMIT:X)b/ |
| 6230 | abc |
| 6231 | |
| 6232 | /(?(DEFINE)(a(*COMMIT:X)))(?1)b/ |
| 6233 | abc |
| 6234 | |
| 6235 | /a+(*:Z)b(*COMMIT:X)(*SKIP:Z)c|.*/ |
| 6236 | aaaabd |
| 6237 | |
| 6238 | /a+(*:Z)b(*COMMIT:X)(*SKIP:X)c|.*/ |
| 6239 | aaaabd |
| 6240 | |
| 6241 | /a(*COMMIT:X)b/ |
| 6242 | axabc |
| 6243 | |
| 6244 | #pattern -no_start_optimize |
| 6245 | #subject -mark |
| 6246 | |
| 6247 | /(.COMMIT)(*COMMIT::::::::::interal error:::)/ |
| 6248 | |
| 6249 | /(*COMMIT:ÿÿ)/ |
| 6250 | |
| 6251 | /(*COMMIT:]w)/ |
| 6252 | |
| 6253 | /(?i)A(?^)B(?^x:C D)(?^i)e f/ |
| 6254 | aBCDE F |
| 6255 | \= Expect no match |
| 6256 | aBCDEF |
| 6257 | AbCDe f |
| 6258 | |
Elliott Hughes | 0c26e19 | 2019-08-07 12:24:46 -0700 | [diff] [blame] | 6259 | /(*pla:foo).{6}/ |
| 6260 | abcfoobarxyz |
| 6261 | \= Expect no match |
| 6262 | abcfooba |
| 6263 | |
| 6264 | /(*positive_lookahead:foo).{6}/ |
| 6265 | abcfoobarxyz |
| 6266 | |
| 6267 | /(?(*pla:foo).{6}|a..)/ |
| 6268 | foobarbaz |
| 6269 | abcfoobar |
| 6270 | |
| 6271 | /(?(*positive_lookahead:foo).{6}|a..)/ |
| 6272 | foobarbaz |
| 6273 | abcfoobar |
| 6274 | |
| 6275 | /(*plb:foo)bar/ |
| 6276 | abcfoobar |
| 6277 | \= Expect no match |
| 6278 | abcbarfoo |
| 6279 | |
| 6280 | /(*positive_lookbehind:foo)bar/ |
| 6281 | abcfoobar |
| 6282 | \= Expect no match |
| 6283 | abcbarfoo |
| 6284 | |
| 6285 | /(?(*plb:foo)bar|baz)/ |
| 6286 | abcfoobar |
| 6287 | bazfoobar |
| 6288 | abcbazfoobar |
| 6289 | foobazfoobar |
| 6290 | |
| 6291 | /(?(*positive_lookbehind:foo)bar|baz)/ |
| 6292 | abcfoobar |
| 6293 | bazfoobar |
| 6294 | abcbazfoobar |
| 6295 | foobazfoobar |
| 6296 | |
| 6297 | /(*nlb:foo)bar/ |
| 6298 | abcbarfoo |
| 6299 | \= Expect no match |
| 6300 | abcfoobar |
| 6301 | |
| 6302 | /(*negative_lookbehind:foo)bar/ |
| 6303 | abcbarfoo |
| 6304 | \= Expect no match |
| 6305 | abcfoobar |
| 6306 | |
| 6307 | /(?(*nlb:foo)bar|baz)/ |
| 6308 | abcfoobaz |
| 6309 | abcbarbaz |
| 6310 | \= Expect no match |
| 6311 | abcfoobar |
| 6312 | |
| 6313 | /(?(*negative_lookbehind:foo)bar|baz)/ |
| 6314 | abcfoobaz |
| 6315 | abcbarbaz |
| 6316 | \= Expect no match |
| 6317 | abcfoobar |
| 6318 | |
| 6319 | /(*atomic:a+)\w/ |
| 6320 | aaab |
| 6321 | \= Expect no match |
| 6322 | aaaa |
| 6323 | |
| 6324 | / (?<word> \w+ )* \. /xi |
| 6325 | pokus. |
| 6326 | |
| 6327 | /(?(DEFINE) (?<word> \w+ ) ) (?&word)* \./xi |
| 6328 | pokus. |
| 6329 | |
| 6330 | /(?(DEFINE) (?<word> \w+ ) ) ( (?&word)* ) \./xi |
| 6331 | pokus. |
| 6332 | |
| 6333 | /(?&word)* (?(DEFINE) (?<word> \w+ ) ) \./xi |
| 6334 | pokus. |
| 6335 | |
| 6336 | /(?&word)* \. (?<word> \w+ )/xi |
| 6337 | pokus.hokus |
| 6338 | |
Elliott Hughes | 2dbd7d2 | 2020-06-03 14:32:37 -0700 | [diff] [blame] | 6339 | /a(?(?=(*:2)b).)/mark |
| 6340 | abc |
| 6341 | acb |
| 6342 | |
| 6343 | /a(?(?!(*:2)b).)/mark |
| 6344 | acb |
| 6345 | abc |
| 6346 | |
| 6347 | /(?:a|ab){1}+c/ |
| 6348 | \= Expect no match |
| 6349 | abc |
| 6350 | |
| 6351 | /(a|ab){1}+c/ |
| 6352 | abc |
| 6353 | |
| 6354 | /(a+){1}+a/ |
| 6355 | \= Expect no match |
| 6356 | aaaa |
| 6357 | |
| 6358 | /(?(DEFINE)(a|ab))(?1){1}+c/ |
| 6359 | abc |
| 6360 | |
| 6361 | /(?:a|(?=b)|.)*\z/ |
| 6362 | abc |
| 6363 | |
| 6364 | /(?:a|(?=b)|.)*/ |
| 6365 | abc |
| 6366 | |
| 6367 | /(?<=a(*SKIP)x)|c/ |
| 6368 | abcd |
| 6369 | |
| 6370 | /(?<=a(*SKIP)x)|d/ |
| 6371 | abcd |
| 6372 | |
| 6373 | /(?<=(?=.(?<=x)))/aftertext |
| 6374 | abx |
| 6375 | |
| 6376 | /(?<=(?=(?<=a)))b/ |
| 6377 | ab |
| 6378 | |
| 6379 | /^(?<A>a)(?(<A>)b)((?<=b).*)$/ |
| 6380 | abc |
| 6381 | |
| 6382 | /^(a\1?){4}$/ |
| 6383 | aaaa |
| 6384 | aaaaaa |
| 6385 | |
| 6386 | /^((\1+)|\d)+133X$/ |
| 6387 | 111133X |
| 6388 | |
| 6389 | /^(?=.*(?=(([A-Z]).*(?(1)\1)))(?!.+\2)){26}/i |
| 6390 | The quick brown fox jumps over the lazy dog. |
| 6391 | Jackdaws love my big sphinx of quartz. |
| 6392 | Pack my box with five dozen liquor jugs. |
| 6393 | \= Expect no match |
| 6394 | The quick brown fox jumps over the lazy cat. |
| 6395 | Hackdaws love my big sphinx of quartz. |
| 6396 | Pack my fox with five dozen liquor jugs. |
| 6397 | |
| 6398 | /^(?>.*?([A-Z])(?!.*\1)){26}/i |
| 6399 | The quick brown fox jumps over the lazy dog. |
| 6400 | Jackdaws love my big sphinx of quartz. |
| 6401 | Pack my box with five dozen liquor jugs. |
| 6402 | \= Expect no match |
| 6403 | The quick brown fox jumps over the lazy cat. |
| 6404 | Hackdaws love my big sphinx of quartz. |
| 6405 | Pack my fox with five dozen liquor jugs. |
| 6406 | |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 6407 | /(?<=X(?(DEFINE)(A)))X(*F)/ |
Elliott Hughes | 2dbd7d2 | 2020-06-03 14:32:37 -0700 | [diff] [blame] | 6408 | \= Expect no match |
| 6409 | AXYZ |
| 6410 | |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 6411 | /(?<=X(?(DEFINE)(A)))./ |
Elliott Hughes | 2dbd7d2 | 2020-06-03 14:32:37 -0700 | [diff] [blame] | 6412 | AXYZ |
| 6413 | |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 6414 | /(?<=X(?(DEFINE)(.*))Y)./ |
Elliott Hughes | 2dbd7d2 | 2020-06-03 14:32:37 -0700 | [diff] [blame] | 6415 | AXYZ |
| 6416 | |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 6417 | /(?<=X(?(DEFINE)(Y))(?1))./ |
Elliott Hughes | 2dbd7d2 | 2020-06-03 14:32:37 -0700 | [diff] [blame] | 6418 | AXYZ |
| 6419 | |
Elliott Hughes | 3435c42 | 2020-12-04 13:18:28 -0800 | [diff] [blame] | 6420 | /(?(DEFINE)(?<foo>bar))(?<![-a-z0-9])word/ |
Elliott Hughes | 2dbd7d2 | 2020-06-03 14:32:37 -0700 | [diff] [blame] | 6421 | word |
| 6422 | |
Elliott Hughes | 378b175 | 2021-06-08 13:42:40 -0700 | [diff] [blame] | 6423 | /a{1,2,3}b/ |
| 6424 | a{1,2,3}b |
| 6425 | |
| 6426 | /\214748364/ |
| 6427 | >\x{8c}748364< |
| 6428 | |
| 6429 | /a{65536/ |
| 6430 | >a{65536< |
| 6431 | |
| 6432 | /a\K.(?0)*/ |
| 6433 | abac |
| 6434 | |
| 6435 | /(a\K.(?1)*)/ |
| 6436 | abac |
| 6437 | |
Janis Danisevskis | 112c9cc | 2016-03-31 13:35:25 +0100 | [diff] [blame] | 6438 | # End of testinput1 |