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<?php $str = "唧"; echo $str; preg_match("/[^\w]/", $str, $match); preg_match("/[\x{00000000}-\x{70000000}]+/u", $str, $mt); print_r($mt); print_r($match);
Output for git.master, git.master_jit, rfc.property-hooks
唧 Warning: preg_match(): Compilation failed: character code point value in \x{} or \o{} is too large at offset 25 in /in/1hURI on line 5 Array ( [0] => � )

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