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<?php $string = "google.at;davetrudes.com asdf http://www.youtube.com/user/davetrudes http://code.google.com/u/dave.trudes/"; $match = null; preg_match_all('/\b((https?|ftp|file):\/\/|(www|ftp)\.)[-A-Z0-9+&@#\/%?=~_|$!:,.;]*[A-Z0-9+&@#\/%=~_|$]/', $string, $match); var_dump($match);

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