The Regex Coach - interactive regular expressions

Program: The Regex Coach

License: free for private or non-commercial use; also free for commercial use but you are not allowed to re-distribute it and/or charge money for it without written permission by the author (email edi@weitz.de for details).

Description: The Regex Coach is a graphical application for Windows which can be used to experiment with (Perl-compatible) regular expressions interactively.

Website: http://www.weitz.de/regex-coach/