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<?php preg_match('/^((0[0-9])|(1\d)|(2\d)|(3[0-1]))\/((0[0-9])|(1[0-2]))\/(\d{4})$/', '12/03/2014', $matches); echo '<pre>'.print_r($matches, true).'</pre>';
Output for git.master, git.master_jit, rfc.property-hooks
<pre>Array ( [0] => 12/03/2014 [1] => 12 [2] => [3] => 12 [4] => [5] => [6] => 03 [7] => 03 [8] => [9] => 2014 ) </pre>

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