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<?php $chars = '6Ata7~58jh&*(*HLy^)&a[yjJ>8]G8,$9<Y;B:%^'; preg_match_all('/([a-z])|([A-Z])|(\d)|(.)/', $chars, $m, PREG_SET_ORDER); $array = str_split($chars); array_multisort($m, $array); echo implode($array);
Output for git.master, git.master_jit, rfc.property-hooks
aahjjtyyABGHJLY5678889$%&&()**,:;<>[]^^~

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