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bug#18577: Regexp I-search: [(error Stack overflow in regexp matcher)]
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From: |
Andreas Schwab |
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Subject: |
bug#18577: Regexp I-search: [(error Stack overflow in regexp matcher)] |
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Date: |
Sun, 28 Sep 2014 14:48:22 +0200 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3.93 (gnu/linux) |
Alan Mackenzie <acm@muc.de> writes:
> Is this a defect in my regexp or in the regexp engine?
It is fundamental to the way regexp matching works.
> If the former, how could I rewrite the regexp so that it would not hit
> these problems?
Avoid matching the null string in infinite ways. If you need to match
the null string, make sure it is anchored with non-null matches.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
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"And now for something completely different."