X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/41497a896330304904ef6d5783c724ea713739f6..596d585e1dc1eb25bccd3781e37210a4e2504179:/wp-includes/formatting.php

diff --git a/wp-includes/formatting.php b/wp-includes/formatting.php
index f69c9382..fcf519c3 100644
--- a/wp-includes/formatting.php
+++ b/wp-includes/formatting.php
@@ -3236,7 +3236,7 @@ function sanitize_mime_type( $mime_type ) {
  * @return string URLs starting with the http or https protocol, separated by a carriage return.
  */
 function sanitize_trackback_urls( $to_ping ) {
-	$urls_to_ping = preg_split( '/\r\n\t /', trim( $to_ping ), -1, PREG_SPLIT_NO_EMPTY );
+	$urls_to_ping = preg_split( '/[\r\n\t ]/', trim( $to_ping ), -1, PREG_SPLIT_NO_EMPTY );
 	foreach ( $urls_to_ping as $k => $url ) {
 		if ( !preg_match( '#^https?://.#i', $url ) )
 			unset( $urls_to_ping[$k] );