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Quote from sutupudMars 14, 2013 - 01:29:32
i see two problems whith your regex:
- you have two groups. one should be enough...
- how do you start a non-capturing group? hint: it's not ?=
capturing is done using capturing groups. that means if a string matches the pattern, then parts of that string can be captured using capturing groups...
Why isn't it "?="?
My regex works fine on online demos, but I can't just get it to work on this challenge
"?:" Doesn't seem to have any effect on those demos