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run code in 200+ php & hhvm versions
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<?php $match = 'word'; if (preg_match('/^(\w*)(?:|(\w*))(?:=(\w\(\)))?$/', $match, $var)) { print_r($var); } else { print('Not matching :('); }
Output for 4.3.0 - 7.2.0
Array ( [0] => word [1] => word )