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<?php $name = 'test+2'; preg_match('/^(?P<name>[\w\-]+)(?P<quantifier>\+|\*)?(?P<minimum>(?<=\+)\d+)?$/', $name, $matches); print_r($matches);
Output for 4.3.3 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => test+2 [name] => test [1] => test [quantifier] => + [2] => + [minimum] => 2 [3] => 2 )
Output for 4.3.0 - 4.3.2
Array ( [0] => test+2 [1] => test [2] => + [3] => 2 )