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run code in 300+ PHP versions simultaneously
<?php var_dump( preg_match('/^(\d{1,2})\D(\d{1,2})\D(\d{4})$/', '23/04/2015', $matches) ); var_dump( $matches );
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
int(1) array(4) { [0]=> string(10) "23/04/2015" [1]=> string(2) "23" [2]=> string(2) "04" [3]=> string(4) "2015" }

preferences:
239.99 ms | 406 KiB | 380 Q