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Regexp::Common::list(3User Contributed Perl DocumentatiRegexp::Common::list(3)

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 ear-
       lier, 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 sep-
       arator 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 2.103	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@conway.org)

MAINTAINANCE
       This package is maintained by Abigail (regexp-common@abigail.nl).

BUGS AND IRRITATIONS
       Bound to be plenty.

       For a start, there are many common regexes missing.  Send them in to
       regexp-common@abigail.nl.

COPYRIGHT
	    Copyright (c) 2001 - 2003, Damian Conway. All Rights Reserved.
	      This module is free software. It may be used, redistributed
	     and/or modified under the terms of the Perl Artistic License
		   (see http://www.perl.com/perl/misc/Artistic.html)

perl v5.8.8			  2003-03-23	       Regexp::Common::list(3)
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