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A comment on Regexper – Regular expressions visualizer. Parent comment

Re:Regexper – Regular expressions visualizer by xfer on Tuesday January 30, 2018 @04:49PM (#16269391)
But are they as efficient as regexp? I personally prefer regexp combinators.
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Re:Regexper – Regular expressions visualizer by lalaithion on Wednesday January 31, 2018 @01:04AM (#16271823)
Optimizing them is a bit more work, but they can outperform hand-rolled C code:

http://www.serpentine.com/blog/2014/05/31/attoparsec/

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