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<?php $A = "µPhysik I~1µ"; $Ar = explode("µµ", trim(substr($A, 1, -1))); print_r($Ar); $A = count($Ar) > 0 ? "µ".implode("µµ", $Ar)."µ" : ""; print_r($A); $Ar = explode("µµ", substr($A, 1, -1)); print_r($Ar); print_r(explode("~", $Ar[0]));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.8 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Array ( [0] => �Physik I~1� ) µ�Physik I~1�µArray ( [0] => ��Physik I~1�� ) Array ( [0] => ��Physik I [1] => 1�� )

preferences:
249.8 ms | 406 KiB | 336 Q