From 75e8778c2b9f126119358d2c983fed7da95edd9b Mon Sep 17 00:00:00 2001
From: Matt Mullenweg <matt@git.wordpress.org>
Date: Fri, 14 May 2004 05:52:53 +0000
Subject: [PATCH] Emails allow + per RFC. Hat tip: crw

git-svn-id: https://develop.svn.wordpress.org/trunk@1269 602fd350-edb4-49c9-b593-d223f7449a82
---
 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;