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Shell Programming and Scripting
regex question about greediness
Post 302087277 by fedora on Wednesday 30th of August 2006 06:10:51 PM
08-30-2006
Quote:
Originally Posted by fidodido
But you just said preceding, meaning it will match any up until it finds a " again 
. Also, the g there means 'global', so it will replace every occurance of the matching expression.
. Also, the g there means 'global', so it will replace every occurance of the matching expression.Hmmm, I think I did not express my question clearly, let me clarify.
let's forget about greediness first, my question is about the regular express [^"]*
In the example above, [^"]* are used to match any characters except ", right?
But, I think it is wrong, * means match ZERO or more preceding
So I think [^"]* does no make sense, it can match "
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LEARN ABOUT CENTOS
ppix::regexp::token::greediness
PPIx::Regexp::Token::Greediness(3) User Contributed Perl Documentation PPIx::Regexp::Token::Greediness(3) NAME
PPIx::Regexp::Token::Greediness - Represent a greediness qualifier. SYNOPSIS
use PPIx::Regexp::Dumper; PPIx::Regexp::Dumper->new( 'qr{foo*+}smx' ) ->print(); INHERITANCE
"PPIx::Regexp::Token::Greediness" is a PPIx::Regexp::Token. "PPIx::Regexp::Token::Greediness" has no descendants. DESCRIPTION
This class represents a greediness qualifier for the preceding quantifier. METHODS
This class provides the following public methods. Methods not documented here are private, and unsupported in the sense that the author reserves the right to change or remove them without notice. could_be_greediness PPIx::Regexp::Token::Greediness->could_be_greediness( '?' ); This method returns true if the given string could be a greediness indicator; that is, if it is '+' or '?'. SUPPORT
Support is by the author. Please file bug reports at <http://rt.cpan.org>, or in electronic mail to the author. AUTHOR
Thomas R. Wyant, III wyant at cpan dot org COPYRIGHT AND LICENSE
Copyright (C) 2009-2013 by Thomas R. Wyant, III This program is free software; you can redistribute it and/or modify it under the same terms as Perl 5.10.0. For more details, see the full text of the licenses in the directory LICENSES. This program is distributed in the hope that it will be useful, but without any warranty; without even the implied warranty of merchantability or fitness for a particular purpose. perl v5.16.3 2014-06-10 PPIx::Regexp::Token::Greediness(3)