<?php
/*
Plugin Name: Convert Comment tag to link
*/

add_filter( \'comment_text\', \'mh_commenttaglink\' , 5000 );

function mh_commenttaglink( $text ) {
    // RegEx to find #tag, #hyphen-tag with letters and numbers
    $mh_regex = "/\\ #[a-zA-Z0-9-]+/";
    // Use that RegEx and populate the hits into an array
    preg_match_all( $mh_regex , $text , $mh_matches );
    // If there\'s any hits then loop though those and replace those hits with a link
    for ( $mh_count = 0; $mh_count < count( $mh_matches[0] ); $mh_count++ )
            {
                    $mh_old = $mh_matches[0][$mh_count];
                    $mh_old_lesshash = str_replace( \'#\',\'\',$mh_old);
                    $mh_new = str_replace( $mh_old , \'<a href="\' . get_bloginfo( url ) . \'/search/%23\' . $mh_old_lesshash . \'" /rel="tag">\' . $mh_old . \'</a>\' , $mh_matches[0][$mh_count] );
                    $text = str_replace( $mh_old  , $mh_new , $text );
            }
    // Return any substitutions
    return $text;
}

知道怎么回事吗？当在注释部分中的单词之前键入哈希符号时，链接将按如下方式推出-

blablahblah/#word
代替blahblahblah/#word

我真的看不出我在这里错过了什么。我们将不胜感激。