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run code in 200+ php & hhvm versions
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<?php $matches=array(); preg_match('/^\(?[0-9]{3}\)?-?[0-9]{4}/',"(765)4389",$matches); var_dump($matches);
based on ZknRG
Output for 4.3.0 - 7.2.0
array(1) { [0]=> string(9) "(765)4389" }