tags $postbits = "

http://www.google.com

http://w...content-available-to-author-only...o.com

http://www.microsoft.com/ <-- only this one clickable

"; $regex = '#\G((?:(?!\A)|.*).)*)(https?://\S+?)#isU'; $repl = '\1\2'; $postbits = preg_replace( $regex, $repl, $postbits); echo $postbits; ?>