When passing a URL containing special characters (as ! ) in a chat wi…

…ndow the url is not clickable. (Facebook Links).

src/pfcurlprocessing.php

@@ -25,7 +25,7 @@ function pfc_make_hyperlink($text)
   else
     $target = "";
 
-  $text = preg_replace('#(script|about|applet|activex|chrome):#is', "\\1:", $text);
+  $text = preg_replace('#(script|about|applet|activex|chrome):#is', "\\1:", $text);
 
   // pad it with a space so we can match things at the start of the 1st line.
   $ret = ' ' . $text;
@@ -34,7 +34,7 @@ function pfc_make_hyperlink($text)
   // xxxx can only be alpha characters.
   // yyyy is anything up to the first space, newline, comma, double quote or <
   //$ret = preg_replace("#(^|[\n ])([\w]+?://[\w\#$%&~/.\-;:=,?@\[\]+]*)#is", "\\1<a href=\"\\2\" target=\"_blank\">\\2</a>", $ret);
-  $ret = preg_replace("#(^|[\n \]])([\w]+?://[\w\#$%&~/.\-;:=,?@+]*)#ise", "'\\1<a href=\"\\2\"" . $target . ">' . pfc_shorten_url('\\2') . '</a>'", $ret);
+  $ret = preg_replace("#(^|[\n \]])([\w]+?://[\w\#$%&~/!.\-;:=,?@+]*)#ise", "'\\1<a href=\"\\2\"" . $target . ">' . pfc_shorten_url('\\2') . '</a>'", $ret);
 
   // matches a "www|ftp.xxxx.yyyy[/zzzz]" kinda lazy URL thing
   // Must contain at least 2 dots. xxxx contains either alphanum, or "-"