[pcre-dev] [Bug 2182] Lookahead behaving as though a match …

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Autor: admin
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Para: pcre-dev
Assunto: [pcre-dev] [Bug 2182] Lookahead behaving as though a match succeeded in a null-matching repeated group
https://bugs.exim.org/show_bug.cgi?id=2182

--- Comment #1 from John Tattarakis <tattarakis@???> ---
Pardon, I was rather hasty in my testing. The part about consuming a character
showing the expected result as evidence of a bug is, of course, nonsense.
Please disregard. You can see with the following example that, even when
consuming a character, the bug still exists:

^(?:(?=(\1?+a))(?=aaa$).){1,2}

Matched against the string "aaa", \1 = "aa".

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