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<?php print_r( preg_split('#(?:[\s\\\\_]|(?<!\d)/(?!\d))+#u', '925/123 Black/Jack') );
Output for 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
Array ( [0] => 925/123 [1] => Black [2] => Jack )
preferences:
144.92 ms | 407 KiB | 5 Q