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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 12:56:48 +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:
> With point at BOB, do C-M-s and enter this regular expression at the
> prompt:
>
> /\*\(\([^'*]\|\*[^/']\)*\*?'\([^'*]\|\*[^/']\)*\*?'\)*\([^'*]\|\*[^'/]\)*\*?'\([^'*]\|\*[^/']\)*\*?\*/
\(...\(...\)*...\)* is bad. \(...\)*\(...\)* is also bad. Both can cause
combinatorial explosions in backtracking.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."