function common_replace_urls_callback($text, $callback) {
// Start off with a regex
- preg_match_all('#(?:(?:(?:https?|ftps?|mms|rtsp|gopher|news|nntp|telnet|wais|file|prospero|webcal|xmpp|irc)://|(?:mailto|aim|tel):)[^.\s]+\.[^\s]+|(?:[^.\s/]+\.)+(?:museum|travel|[a-z]{2,4})(?:[:/][^\s]*)?)#i', $text, $matches);
+ $regex = '#
+ (?:
+ (?:
+ (?:https?|ftps?|mms|rtsp|gopher|news|nntp|telnet|wais|file|prospero|webcal|xmpp|irc)://
+ |
+ (?:mailto|aim|tel):
+ )
+ [^.\s]+\.[^\s]+
+ |
+ (?:[^.\s/:]+\.)+
+ (?:museum|travel|[a-z]{2,4})
+ (?:[:/][^\s]*)?
+ )
+ #ix';
+ preg_match_all($regex, $text, $matches);
-
+
// Then clean up what the regex left behind
$offset = 0;
foreach($matches[0] as $url) {