3v4l.org

run code in 300+ PHP versions simultaneously
<?php $re = '/(?:\[Links|\G(?!^))(?=[^][]*])\h+([^\s=]+)="([^\s"]+)"/m'; $str = '[Links label="my_label" url="my_url" external="other_value"]'; preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0); print_r($matches);
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.13
Array ( [0] => Array ( [0] => [Links label="my_label" [1] => label [2] => my_label ) [1] => Array ( [0] => url="my_url" [1] => url [2] => my_url ) [2] => Array ( [0] => external="other_value" [1] => external [2] => other_value ) )
preferences:
124.67 ms | 408 KiB | 5 Q