1. aa2637b remove support for "NoSub" from regex. It seems like a minor optimization by Chris Lattner · 16 years ago
  2. f55e81b add and document regex support for FileCheck. You can now do stuff like: by Chris Lattner · 16 years ago
  3. 42cee05 Add regular expression matching support, based on OpenBSD regexec()/regcomp() by Edwin Török · 16 years ago