PHP ʖ²ἯTH º󍋼/A mb_regex_encoding Description ¾¯¸漯B mb_regex_encoding() returns the character encoding used by multibyte regex functions. ע: This function is supported in PHP 4.2.0 or higher. º󍋼/A ưµ㼯A mb_preferred_mime_name ɏһ¼¶ mb_regex_set_options