1. 81f46d9 remove support for "NoSub" from regex. It seems like a minor optimization by Chris Lattner · 15 years ago
  2. 5287008 add and document regex support for FileCheck. You can now do stuff like: by Chris Lattner · 15 years ago
  3. ce0c81e Add regular expression matching support, based on OpenBSD regexec()/regcomp() by Torok Edwin · 15 years ago