alphanumeric — eliminate non-alphanumeric characters
The filter eliminates any non-alphanumeric characters
(anything not in a-zA-Z0-9
range).
Example: Filter example
[filter alphanumeric]** Test 2: Hello, World! **[/filter]Example in action:
Test2HelloWorld
For more information on Perl Regular Expressions, pattern matching and character classes, see perlre(1).
Interchange 5.9.0:
Source: code/Filter/alphanumeric.filter
Lines: 19
# 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: alphanumeric.filter,v 1.4 2007-03-30 23:40:44 pajamian Exp $ CodeDef alphanumeric Filter CodeDef alphanumeric Description A-Za-z0-9 only CodeDef alphanumeric Routine <<EOR sub { my $val = shift; $val =~ s/[^A-Za-z0-9]+//g; return $val; } EOR