There's also regexEvaluater written using Perl/Tk. This may not be exactly what you are looking for, but it will help you develop and capture regexes. Here's an excerpt from the web page:

regexEvaluater.pl helps users to write (perl) regular expressions for filtering text data. Especially the interactive testing (Tk-GUI) of regular expressions including the immediate visualization of the resulting output makes regexEvaluater.pl a helpful tool for daily use.

The program can be used in 5 different ways:

1. Script generator: allows to write the current expression to a executable perl script
2. Developing tool: pasting of data (from clipboard or selection (by middle mouse click)) into input area. Copying of the regular expression to the clipboard
3. Filter program: modifies input by applying (stepwise) regular expressions
4. Extracting tool: extracting useful information by writing the return values of regular expressions to a file
5. Browser: browsing structured data by changing input separator

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hiseldl

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