I think the easier solution would be simply to write your tester in one of the .NET languages... That seems to be the approach http://regexstorm.net/tester htt

I think the easier solution would be simply to write your tester in one of the .NET languages... That seems to be the approach http://regexstorm.net/tester http://regexstorm.net/tester took, at least. It's low frills (only highlights matches), but it's good for making sure that the problem really and truly isn't some weird regex quirk.