<?php
/*
Plugin Name: Skip Comment
Description: Skip comments based on a pattern match in comment text.

	Skip Comment is released under the GNU General Public License, version 2 (GPL2)
	http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt

	This is a WordPress plugin (http://wordpress.org).
*/

function skip_comments($comments) {

	foreach( $comments as $comment ) {
		if( false === strpos($comment->comment_content, 'WordPress sucks') ) {
			$comments_skip[] = $comment;
		}
	}

	return $comments_skip;
}

add_filter('comments_array', 'skip_comments');
?>