Siggnature finder

## From http://code.google.com/p/soxred93tools/source/browse/trunk/web/rfap/rfalib3.php       
/*
RfA Analysis Library 2.05
This version breaks compatibility with the 1.x series
Copyright (C) 2006 Tangotango (tangotango.wp _at_ gmail _dot_ com)

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.

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.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/ 

 "/\[\[[Uu]ser(?:[\s_][Tt]alk)?\:([^\]\|\/]*)(?:\|[^\]]*)?\]\]"                                     //1: Normal [[User:XX]] and [[User talk:XX]]
        ."|\{\{(?:[Ff]ullurl\:[Uu]ser(?:[\s_][Tt]alk)?\:|[Uu]nsigned\|)([^\}\|]*)(?:|[\|\}]*)?\}\}"    //2: {{fullurl}} and {{unsigned}} templates
        ."|(?:\{\{)[Uu]ser(?:[\s_][Tt]alk)?\:([^\}\/\|]*)"                                                  //3: {{User:XX/sig}} templates
        ."|\{\{[Uu]nsigned2\|[^\|]*\|([^\}]*)\}\}"                                                                //4: {{unsigned2|Date|XX}} templates
        ."|(?:\[\[)[Uu]ser\:([^\]\/\|]*)\/[Ss]ig[\|\]]/"                                                        //5: [[User:XX/sig]] links (compromise measure)

## Altra regexp
         "/\[\[[Uu]ser(?:[\s_][Tt]alk)?\:([^\]\/\|]*)"        //5: "[[User:XX/PageAboutMe" links (notice no end tag)
        ."|\[\[[Ss]pecial\:[Cc]ontributions\/([^\|\]]*)/"

GNU GPL version 2 or (at your option) any later version ;)

Ok added! Thanks!