Re
Module Re: regular expressions commons
Re_emacs
Emacs-style regular expressions
Re_glob
Shell-style regular expressions
Re_posix
References: re, regcomp Example of how to use this module (to parse some IRC logs):
Re_perl
Perl-style regular expressions
Re_str
Module Str: regular expressions and high-level string processing
Re_pcre
Result of a Pcre.full_split