The PCRE library is a set of functions that implement regular expression pattern matching using the same syntax and semantics as Perl 5, with just a few differences. PCRE is used by many programs, including Exim, Postfix, and PHP.
License: BSD License (revised)
Changes:
Mostly bugfixes. Some extra options have been added to pcregrep, and there is additional Oniguruma and JavaScript compatibility.
