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<?php $string = "Some long tokenisable string"; preg_match("/[\p{N}\p{L}]+/giu", $string, $splitTokens); var_dump($splitTokens);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: preg_match(): Unknown modifier 'g' in /in/mMrC5 on line 3 NULL

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