diff --git a/functions/handlers/users.js b/functions/handlers/users.js
index 54dcf00..2a83ee7 100644
--- a/functions/handlers/users.js
+++ b/functions/handlers/users.js
@@ -22,7 +22,7 @@ exports.signup = (req, res) => {
 
     let errors = {};
 
-    const emailRegEx = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@(([[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
+    const emailRegEx = /^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
 
     //Email check
     if(newUser.email.trim() === '') {