PHP regexp to match a URL
http://snipplr.com/view/2371/regex-regular-expression-to-match-a-url/
$url = preg_replace(’@(https?://([-\w\.]+)+(:\d+)?(/([\w/_\.]*(\?\S+)?)?)?)@’, ‘$1‘, $url);
http://snipplr.com/view/2371/regex-regular-expression-to-match-a-url/
$url = preg_replace(’@(https?://([-\w\.]+)+(:\d+)?(/([\w/_\.]*(\?\S+)?)?)?)@’, ‘$1‘, $url);