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<?php $value = 'split fiction (n'; $tokens = array_filter(array_map( function ($string) { return preg_replace("/[^a-zA-Z0-9']/", '', trim($string)); }, explode(' ', $value), )); var_dump($tokens);
Output for git.master_jit, git.master
array(3) { [0]=> string(5) "split" [1]=> string(7) "fiction" [2]=> string(1) "n" }

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