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run code in 300+ PHP versions simultaneously
<?php $tests = [ 'abc-def/something/else/', 'abc-def-2019/something/else/', 'abc-def-2019-2020/something/else/', 'abc-def-125-2019/something/else/' ]; var_export( preg_replace('~^(?:[a-z\d]+-?)*?(?:/|(?=20\d{2}-?){1,2})~', '', $tests) );
Output for 7.1.25 - 7.1.32, 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 - 8.3.25, 8.4.1 - 8.4.12
array ( 0 => 'something/else/', 1 => '2019/something/else/', 2 => '2019-2020/something/else/', 3 => '2019/something/else/', )
preferences:
145.6 ms | 408 KiB | 5 Q