<?php 
 
 
$pattern = '#((?:http|https|ftp)://(?:\S*?\.\S*?))(?:\s|\;|\)|\]|\[|\{|\}|,|"|\'|:|\<|$|\.\s)#i';
 
$data = "is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, http://w...content-available-to-author-only...e.com/watch?v=mm78xlsADgc when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but";
 
preg_match_all($pattern, $data, $matches);
 
var_dump($matches[1]);

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