[wp-trac] [WordPress Trac] #19551: Please provide option to match whole words for comment moderation

[WordPress Trac]

#19551: Please provide option to match whole words for comment moderation
-----------------------------+-----------------------------
 Reporter:  jwz              |      Owner:
     Type:  feature request  |     Status:  new
 Priority:  normal           |  Milestone:  Awaiting Review
Component:  Comments         |    Version:  3.3
 Severity:  normal           |   Keywords:
-----------------------------+-----------------------------
 The "Comment Moderation" and "Comment Blacklist" fields are documented to
 match inside words. However, I find that less useful than the alternative,
 of matching whole words.

 With each WP release, I have to modify the source to add \b to the regexp.
 It would be better if there was a preference option to say whether you
 want to match whole words or not.  Alternately, there could be an option
 to just let me type real regexps into the field directly.

 {{{
 --- wp-includes/comment.php     14 Dec 2011 19:42:49 -0000      1.5
 +++ wp-includes/comment.php     14 Dec 2011 19:43:31 -0000
 @@ -69,9 +69,7 @@
                         // spam words don't break things:
                         $word = preg_quote($word, '#');

 -                       // jwz: match whole words only.
 -                       $pattern = "#\\b$word\\b#i";
 -
 +                       $pattern = "#$word#i";
                         if ( preg_match($pattern, $author) ) return false;
                         if ( preg_match($pattern, $email) ) return false;
                         if ( preg_match($pattern, $url) ) return false;
 }}}

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Ticket URL: <http://core.trac.wordpress.org/ticket/19551>
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