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run code in 150+ php & hhvm versions
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<?php $nickname = "hello1 johns22mith123"; if(preg_match_all('!\d+!', $nickname, $numbers)){ print_r($numbers); }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => Array ( [0] => 1 [1] => 22 [2] => 123 ) )