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/
Not open source and not totally freeware
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