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Lookahead assertions are only semantically valid after an atom #2

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bd82 opened this issue Apr 10, 2018 · 0 comments
Open

Lookahead assertions are only semantically valid after an atom #2

bd82 opened this issue Apr 10, 2018 · 0 comments
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bd82 commented Apr 10, 2018 

> /(?=y)/.test("(?=y)")
true
> /x(?=y)/.test("x(?=y)")
false

Otherwise they are treated literally
@bd82 bd82 added the bug Something isn't working label Apr 10, 2018
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