Says dze27:

I was thinking it would be even better (feeping creaturism, here we go) if you could have a list of strings to be matched. So instead of entering just one, you could enter N strings, maybe 1 per line, and watch the regexp match them at the same time.

I agree, and this idea appears in my original notes for the regex debugger. I will be releasing the code for the back-end after I give my talk about it at TPC5, and I hope the result will be that several people implement free regex debuggers and that at least one of them has this feature.

The paper is online, should you want to read it.

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Mark Dominus
Perl Paraphernalia