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<?php $url = 'dashboard/admin/{content}/category/{category}/posts'; preg_match_all('/{\K[^}]+(?=})/', $url, $matches); print_r($matches[0]);
Output for 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
Array ( [0] => content [1] => category )
preferences:
159.06 ms | 407 KiB | 5 Q