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| <head> |
| <title>pcre2_substring_copy_bynumber specification</title> |
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| <body bgcolor="#FFFFFF" text="#00005A" link="#0066FF" alink="#3399FF" vlink="#2222BB"> |
| <h1>pcre2_substring_copy_bynumber man page</h1> |
| <p> |
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| <p> |
| This page is part of the PCRE2 HTML documentation. It was generated |
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| <br> |
| <br><b> |
| SYNOPSIS |
| </b><br> |
| <P> |
| <b>#include <pcre2.h></b> |
| </P> |
| <P> |
| <b>int pcre2_substring_copy_bynumber(pcre2_match_data *<i>match_data</i>,</b> |
| <b> uint32_t <i>number</i>, PCRE2_UCHAR *<i>buffer</i>,</b> |
| <b> PCRE2_SIZE *<i>bufflen</i>);</b> |
| </P> |
| <br><b> |
| DESCRIPTION |
| </b><br> |
| <P> |
| This is a convenience function for extracting a captured substring into a given |
| buffer. The arguments are: |
| <pre> |
| <i>match_data</i> The match data block for the match |
| <i>number</i> Number of the required substring |
| <i>buffer</i> Buffer to receive the string |
| <i>bufflen</i> Length of buffer |
| </pre> |
| The <i>bufflen</i> variable is updated with the length of the extracted string, |
| excluding the terminating zero. The yield of the function is zero for success |
| or one of the following error numbers: |
| <pre> |
| PCRE2_ERROR_NOSUBSTRING there are no groups of that number |
| PCRE2_ERROR_UNAVAILBLE the ovector was too small for that group |
| PCRE2_ERROR_UNSET the group did not participate in the match |
| PCRE2_ERROR_NOMEMORY the buffer is too small |
| |
| </PRE> |
| </P> |
| <P> |
| There is a complete description of the PCRE2 native API in the |
| <a href="pcre2api.html"><b>pcre2api</b></a> |
| page and a description of the POSIX API in the |
| <a href="pcre2posix.html"><b>pcre2posix</b></a> |
| page. |
| <p> |
| Return to the <a href="index.html">PCRE2 index page</a>. |
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