diff --git a/wp-includes/formatting.php b/wp-includes/formatting.php
index 5e19a02475..bcb8dfa049 100644
--- a/wp-includes/formatting.php
+++ b/wp-includes/formatting.php
@@ -647,11 +647,17 @@ function wp_rel_nofollow( $text ) {
global $wpdb;
// This is a pre save filter, so text is already escaped.
$text = stripslashes($text);
- $text = preg_replace('||ie', "''", $text);
+ $text = preg_replace_callback('||i', 'wp_rel_nofollow_callback', $text);
$text = $wpdb->escape($text);
return $text;
}
+function wp_rel_nofollow_callback( $matches ) {
+ $text = $matches[1];
+ $text = str_replace(array(' rel="nofollow"', " rel='nofollow'"), '', $text);
+ return "";
+}
+
function convert_smilies($text) {
global $wp_smiliessearch, $wp_smiliesreplace;
$output = '';