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Regex don't match previous matches?

原文 2018-02-27 18:44:52 0 1 javascript/ regex

If I have a string "aabb", I am looking to match (a, b, ab). I want to prioritize longer matches, and not match a match twice.

eg output would be a, ab, b

I tried have the following: [(\\bab\\b)|(a)|(b)] & [\\b(ab|a|b)\\b]

But it outputs a, a, b, b

1 answers

Those word boundaries in your regex don't match in your input. Just use only

/ab|a|b/

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