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A comment on Regex Puzzle. Parent comment

Re:Regex Puzzle by jfries on Thursday July 06, 2017 @10:26AM (#14710639)
How did you solve backreferences with that approach?
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Re:Regex Puzzle by eru on Thursday July 06, 2017 @10:55AM (#14710865)
You don't. Back reference leave the space of mathematical regular expressions, that all this nice theory works for.
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Re:Regex Puzzle by hokkos on Thursday July 06, 2017 @11:53AM (#14711294)
I had the luck that XSD regex doesn't support backreference.
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