1.0 link Rainbow Dash Network http://rainbowdash.net/ RedEnchilada (notice the lack of a space) (redenchilada) http://rainbowdash.net/redenchilada http://rainbowdash.net/notice/3198526 @<span class="vcard"><a href="http://rainbowdash.net/user/6761" class="url" title="Princess Celestia"><span class="fn nickname mention">tia</span></a></span> Use \b to match word boundaries. Also reference <a href="http://pny.lv/2op" title="http://en.wikipedia.org/wiki/Regular_expression" rel="nofollow external">http://pny.lv/2op</a>