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[bug #32412] Error parsing a pattern including "( ??? |+)"
From: |
Paolo Bonzini |
Subject: |
[bug #32412] Error parsing a pattern including "( ??? |+)" |
Date: |
Mon, 28 Feb 2011 08:38:34 +0000 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20110103 Fedora/3.6.13-1.fc14 Firefox/3.6.13 |
Update of bug #32412 (project grep):
Status: None => Invalid
Open/Closed: Open => Closed
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Follow-up Comment #1:
The plus is a special character in extended regular expressions, so whenever
you want to treat it as a literal "+" you should escape it. Even though grep
will sometimes try to second guess syntactically invalid regular expressions,
the correct solution is to use '^(-|+)RA$' as you did.
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