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Regexp::Common::list(3pm) User Contributed Perl Documentation Regexp::Common::list(3pm)
NAME
Regexp::Common::list -- provide regexes for lists
SYNOPSIS
use Regexp::Common qw /list/;
while (<>) {
/$RE{list}{-pat => '\w+'}/ and print "List of words";
/$RE{list}{-pat => $RE{num}{real}}/ and print "List of numbers";
}
DESCRIPTION
Please consult the manual of Regexp::Common for a general description of the works of this
interface.
Do not use this module directly, but load it via Regexp::Common.
$RE{list}{-pat}{-sep}{-lastsep}
Returns a pattern matching a list of (at least two) substrings.
If "-pat=P" is specified, it defines the pattern for each substring in the list. By
default, P is "qr/.*?\S/". In Regexp::Common 0.02 or earlier, the default pattern was
"qr/.*?/". But that will match a single space, causing unintended parsing of "a, b, and c"
as a list of four elements instead of 3 (with "-word" being "(?:and)"). One consequence
is that a list of the form "a,,b" will no longer be parsed. Use the pattern "qr /.*?/" to
be able to parse this, but see the previous remark.
If "-sep=P" is specified, it defines the pattern P to be used as a separator between each
pair of substrings in the list, except the final two. By default P is "qr/\s*,\s*/".
If "-lastsep=P" is specified, it defines the pattern P to be used as a separator between
the final two substrings in the list. By default P is the same as the pattern specified
by the "-sep" flag.
For example:
$RE{list}{-pat=>'\w+'} # match a list of word chars
$RE{list}{-pat=>$RE{num}{real}} # match a list of numbers
$RE{list}{-sep=>"\t"} # match a tab-separated list
$RE{list}{-lastsep=>',\s+and\s+'} # match a proper English list
Under "-keep":
$1 captures the entire list
$2 captures the last separator
$RE{list}{conj}{-word=PATTERN}
An alias for $RE{list}{-lastsep=>'\s*,?\s*PATTERN\s*'}
If "-word" is not specified, the default pattern is "qr/and|or/".
For example:
$RE{list}{conj}{-word=>'et'} # match Jean, Paul, et Satre
$RE{list}{conj}{-word=>'oder'} # match Bonn, Koln oder Hamburg
$RE{list}{and}
An alias for $RE{list}{conj}{-word=>'and'}
$RE{list}{or}
An alias for $RE{list}{conj}{-word=>'or'}
HISTORY
$Log: list.pm,v $
Revision 2.105 2008/05/23 21:30:09 abigail
Changed email address
Revision 2.104 2008/05/23 21:28:01 abigail
Changed license
Revision 2.103 2003/07/04 13:34:05 abigail
Fixed assignment to
Revision 2.102 2003/02/11 09:42:06 abigail
Added
Revision 2.101 2003/02/01 22:55:31 abigail
Changed Copyright years
Revision 2.100 2003/01/21 23:19:40 abigail
The whole world understands RCS/CVS version numbers, that 1.9 is an
older version than 1.10. Except CPAN. Curse the idiot(s) who think
that version numbers are floats (in which universe do floats have
more than one decimal dot?).
Everything is bumped to version 2.100 because CPAN couldn't deal
with the fact one file had version 1.10.
Revision 1.2 2002/08/05 12:16:59 abigail
Fixed 'Regex::' and 'Rexexp::' typos to 'Regexp::' (Found my Mike Castle).
Revision 1.1 2002/07/28 21:41:07 abigail
Split off from Regexp::Common.
SEE ALSO
Regexp::Common for a general description of how to use this interface.
AUTHOR
Damian Conway (damian AT conway.org)
MAINTAINANCE
This package is maintained by Abigail (regexp-common AT abigail.be).
BUGS AND IRRITATIONS
Bound to be plenty.
For a start, there are many common regexes missing. Send them in to
regexp-common AT abigail.be.
COPYRIGHT
This software is Copyright (c) 2001 - 2008, Damian Conway and Abigail.
This module is free software, and maybe used under any of the following licenses:
1) The Perl Artistic License. See the file COPYRIGHT.AL.
2) The Perl Artistic License 2.0. See the file COPYRIGHT.AL2.
3) The BSD Licence. See the file COPYRIGHT.BSD.
4) The MIT Licence. See the file COPYRIGHT.MIT.
perl v5.10.0 2008-05-23 Regexp::Common::list(3pm)
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On Apache
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