diff --git a/src/modules/behavior/form.js b/src/modules/behavior/form.js
index 638ac9fa2..1fddd8532 100755
--- a/src/modules/behavior/form.js
+++ b/src/modules/behavior/form.js
@@ -638,7 +638,7 @@ $.fn.form.settings = {
     },
     email: function(value){
       var
-        emailRegExp = new RegExp("[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?")
+        emailRegExp = new RegExp("[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?", "i")
       ;
       return emailRegExp.test(value);
     },