compress_space — eliminate leading and trailing whitespace and compress all "in-string" whitespace occurrences to exactly 1 space each
The filter eliminates leading and trailing whitespace, and compresses all occurrences of whitespace in a string to exactly 1 space on each occurrence.
For more information on Perl Regular Expressions, pattern matching and character classes, see perlre(1).
Interchange 5.9.0:
Source: code/Filter/compress_space.filter
Lines: 21
# Copyright 2002-2007 Interchange Development Group and others # Copyright 1996-2002 Red Hat, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. See the LICENSE file for details. # # $Id: compress_space.filter,v 1.4 2007-03-30 23:40:44 pajamian Exp $ CodeDef compress_space Filter CodeDef compress_space Description Collapse whitespace CodeDef compress_space Routine <<EOR sub { my $val = shift; $val =~ s/\s+$//g; $val =~ s/^\s+//g; $val =~ s/\s+/ /g; return $val; } EOR