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<?php $strs= ["Rosemary Hess (2018) (Germany) (all media)", "Jackie H Spriggs (catering)"]; foreach ($strs as $s){ print_r( preg_split('~\s*(?=\([^()]*\))~', $s, 2) ); }
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 - 8.3.27, 8.4.1 - 8.4.14
Array ( [0] => Rosemary Hess [1] => (2018) (Germany) (all media) ) Array ( [0] => Jackie H Spriggs [1] => (catering) )
preferences:
143.67 ms | 407 KiB | 5 Q