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Re: Problems using + with -f <file>
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From: |
Andreas Schwab |
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Subject: |
Re: Problems using + with -f <file> |
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Date: |
Tue, 11 Jul 2006 23:16:11 +0200 |
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User-agent: |
Gnus/5.110006 (No Gnus v0.6) Emacs/22.0.50 (gnu/linux) |
"Gert Jan van Loo" <address@hidden> writes:
> I thought "[a-zA-Z0-9_]+" is part of the standard grep.
> Even if it is not why does \+ suddenly work?
That's the difference between basic and extended regular expressions.
Just like \(\) vs (). See the grep manual for details.
Andreas.
--
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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