Subject: bug#7227: re-search-forward goes infinite loop with dash inside []

From: Andreas Schwab <[email-masked]>
Date: Sat, 16 Oct 2010 13:27:36 +0200

Jari Aalto <[email-masked]> writes:

> Executing the following code causes Emacs to go into infinite loop.
> Simply run it behind the last paren with C-x C-e
>
> (re-search-forward "^\\([a-z0-9.-]+\\)+[ \t]+\\([0-9]+\\) +\\([a-z].*\\)")

Works fine here.

Note that nested repetitions like \([...]+\)+ are bad in any case.

Andreas.

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Andreas Schwab, [email-masked]
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