split(/((?:[\x00-\x2e]|[\x30-\x7F]|[\x8E\xA2-\xFE][\xA1-\xFE]|\xA1[\xA1-\xBE]|\xA1[\xC0-\xFE]|\x8F[\xA1-\xFE][\xA1-\xFE])*)(?:\s| )*(?:\/|／)?(?:\s| )*/, $str)