AGRegex, 与 Perl 兼容的正则表达式处理Class， 在Mac下ObjectC 运行。An Perl-compatible regular expression cla-AGRegex, An Perl-compatible regular expression class

Perl- Regular expression quick refernce

Jakarta-ORO正则表达式库，它是最全面的正则表达式API之一，而且它与Perl 5正则表达式完全兼容。另外，它也是优化得最好的API之一。 -Jakarta-ORO regular expression library, which is the most comprehensive one of the regular expression API, and it is with Perl 5 compatible regular expressions. In addition