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<?php $re = '/(?<=\w)(?=(?:\w\w)+$)/m'; $str = '121510'; preg_match_all($re, $str, $matches, PREG_SET_ORDER); // Print the entire match result var_dump($matches);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> array(1) { [0]=> string(0) "" } [1]=> array(1) { [0]=> string(0) "" } }

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