From f97b64a0c602f1167b68e0369466c9098b084f35 Mon Sep 17 00:00:00 2001
From: Julian Lam <julian@nodebb.org>
Date: Tue, 27 Feb 2018 15:23:11 -0500
Subject: [PATCH] Fixes #6317

While not the most elegant solution, I'm only really interested in
stopping registrations that contain two emails in one field.

The only separators I know of are the comma and semicolon. If
there are more, please let me know.
---
 public/src/utils.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/public/src/utils.js b/public/src/utils.js
index 7443a0ff8a..b0a6c83b58 100644
--- a/public/src/utils.js
+++ b/public/src/utils.js
@@ -387,7 +387,7 @@
 		},
 
 		isEmailValid: function (email) {
-			return typeof email === 'string' && email.length && email.indexOf('@') !== -1;
+			return typeof email === 'string' && email.length && email.indexOf('@') !== -1 && email.indexOf(',') === -1 && email.indexOf(';') === -1;
 		},
 
 		isUserNameValid: function (name) {