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doesn't support positive or negative lookbehind syntax #48
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liudongmiao
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Jun 28, 2022
that demo link didn't include positive or negative lookbehind, but i fiddled with it and it looks good to me. Thanks :D |
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Positive lookbehind:
(?<=Y)X
, matchesX
, but only if there’sY
before it.Negative lookbehind:
(?<!Y)X
, matchesX
, but only if there’s noY
before it.The text was updated successfully, but these errors were encountered: