``` //评论过滤 function refused_spam_comments( $comment_data ) { $pattern = '/[一-龥]/u'; $jpattern ='/[ぁ-ん]+|[ァ-ヴ]+/u'; if(!preg_match($pattern,$comment_data['comment_content'])) { err('写点汉字吧,博主外语很捉急!You should type some Chinese word!'); } if(preg_match($jpattern, $comment_data['comment_content'])) { err('日文滚粗!Japanese Get out!日本語出て行け! You should type some Chinese word!'); } return( $comment_data ); } add_filter('preprocess_comment','refused_spam_comments'); ```