[pcre-dev] [Bug 1190] lookaround doesn't work with startoffs…

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Συντάκτης: Zoltan Herczeg
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Προς: pcre-dev
Αντικείμενο: [pcre-dev] [Bug 1190] lookaround doesn't work with startoffset
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http://bugs.exim.org/show_bug.cgi?id=1190




--- Comment #2 from Zoltan Herczeg <hzmester@???> 2011-12-28 09:26:27 ---
> Is that the way it's expected to work? I'm actually surprised at that, because
> it's not at all clear to me that pcre ought to be looking backwards from the
> subject pointer - there's really no guarantee of what might be at a negative
> offset from the start pointer.


PCRE works as you expect here, it never reads anything before the subject and
after the subject + length.


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