Vladimir Agafonkin wrote:
> Jim wrote:
>
> > The Ruby User's Guide has a small script to highlight regular
> > expression patterns. I found it quite helpful for visualizing regex's,
> > especially while learning them.
> >
> > http://www.ruby-doc.org/docs/UsersGuide/rg/
>
>
> There's also a small tool (GUI) bundled with Ruby Development Tools for
> Eclipse that does just that. Quite useful.
>
> --
> Posted via http://www.ruby-forum.com/.

some other things that might help
http://www.weitz.de/regex-coach/
http://samuelfullman.com/team/php/tools/regular_expression_tester_p2.php
http://www.regular-expressions.info/python.html

but i think best is Friedl's Oreilly regular expression book