From a2551a08ad17d170e5cfaa5cd9995ab1eccf098a Mon Sep 17 00:00:00 2001
From: saxmatt <saxmatt@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Fri, 14 May 2004 05:52:53 +0000
Subject: [PATCH] Emails allow + per RFC. Hat tip: crw

git-svn-id: http://svn.automattic.com/wordpress/trunk@1269 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/functions-formatting.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wp-includes/functions-formatting.php b/wp-includes/functions-formatting.php
index a0270e47aa..9237feba40 100644
--- a/wp-includes/functions-formatting.php
+++ b/wp-includes/functions-formatting.php
@@ -305,7 +305,7 @@ function convert_smilies($text) {
 
 
 function is_email($user_email) {
-	$chars = "/^([a-z0-9_]|\\-|\\.)+@(([a-z0-9_]|\\-)+\\.)+[a-z]{2,4}\$/i";
+	$chars = "/^([a-z0-9+_]|\\-|\\.)+@(([a-z0-9_]|\\-)+\\.)+[a-z]{2,6}\$/i";
 	if(strstr($user_email, '@') && strstr($user_email, '.')) {
 		if (preg_match($chars, $user_email)) {
 			return true;