WordPress评论禁止指定内容(全英文内容）具体方法

function scp_comment_post( $incoming_comment ) {

$pattern = '/[一-?]/u';

// 禁止全英文评论

 if(!preg_match($pattern, $incoming_comment['comment_content'])) {

 wp_die( "You should type some Chinese word (like "你好") in your comment to pass the spam-check, thanks for your patience! 您的评论中必须包含汉字!" );

 }

 return( $incoming_comment );
 }

function lianyue_comment_post( $incoming_comment ) { 
$http = '/[href="|rel="nofollow"|http://|]/u';
if(preg_match($http, $incoming_comment['comment_content'])) {
wp_die( "万恶的发贴机!" ); 
} 
return( $incoming_comment ); 
} 
add_filter('preprocess_comment', 'lianyue_comment_post');