diff --git a/package.json b/package.json
index dbf50d1..676616b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@kingshott/iodine",
-    "version": "8.1.0",
+    "version": "8.2.0",
     "description": "A micro client-side validation library",
     "repository": {
         "type": "git",
diff --git a/src/iodine.js b/src/iodine.js
index 5412949..726f4b9 100644
--- a/src/iodine.js
+++ b/src/iodine.js
@@ -275,7 +275,7 @@ export default class Iodine
      */
     assertEmail(value)
     {
-        let regex = "[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?";
+        let regex = "^[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$";
 
         return new RegExp(regex).test(String(value).toLowerCase());
     }
diff --git a/tests/test.js b/tests/test.js
index 7b38ec0..b2f5983 100644
--- a/tests/test.js
+++ b/tests/test.js
@@ -153,6 +153,8 @@ test('email values', () =>
     expect(window.Iodine.assertEmail('m@i.co.uk')).toBe(true);
     expect(window.Iodine.assertEmail('😃@i.com')).toBe(false);
     expect(window.Iodine.assertEmail('')).toBe(false);
+    expect(window.Iodine.assertEmail('john@example.com ')).toBe(false);
+    expect(window.Iodine.assertEmail('john@example.com extra')).toBe(false);
     expect(window.Iodine.assertEmail('45454.com')).toBe(false);
     expect(window.Iodine.assertEmail('sdfsf@')).toBe(false);
 });