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<?php $str="www.google.com"; $pattern = '#(www\.|https?://)?[a-z0-9]+\.[a-z0-9]{2,4}\S*#i'; preg_match_all($pattern, $str, $matches, PREG_PATTERN_ORDER); echo $matches[0];
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Array to string conversion in /in/g3dNO on line 5 Array

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