diff --git a/src/ng/directive/input.js b/src/ng/directive/input.js
index fa6fe55d9f5e..92790f12d000 100644
--- a/src/ng/directive/input.js
+++ b/src/ng/directive/input.js
@@ -10,7 +10,13 @@
     -TOUCHED_CLASS
 */
 
-var URL_REGEXP = /^(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?$/;
+var URL_REGEXP = new RegExp('^(?:(?:https?|ftp):\\/\\/)(?:\\S+(?::\\S*)?@)?(?:(?!10(?:\\.\\d{1,3}){3})(?!1' +
+                            '27(?:\\.\\d{1,3}){3})(?!169\\.254(?:\\.\\d{1,3}){2})(?!192\\.168(?:\\.\\d{1,3' +
+                            '}){2})(?!172\\.(?:1[6-9]|2\\d|3[0-1])(?:\\.\\d{1,3}){2})(?:[1-9]\\d?|1\\d\\d|' +
+                            '2[01]\\d|22[0-3])(?:\\.(?:1?\\d{1,2}|2[0-4]\\d|25[0-5])){2}(?:\\.(?:[1-9]\\d?' +
+                            '|1\\d\\d|2[0-4]\\d|25[0-4]))|(?:(?:[a-z\\u00A1-\\uFFFF0-9]+-?)*[a-z\\u00A1-\\' +
+                            'uFFFF0-9]+)(?:\\.(?:[a-z\\u00A1-\\uFFFF0-9]+-?)*[a-z\\u00A1-\\uFFFF0-9]+)*(?:' +
+                            '\\.(?:[a-z\\u00A1-\\uFFFF]{2,})))(?::\\d{2,5})?(?:\\/[^\\s]*)?$');
 var EMAIL_REGEXP = /^[a-z0-9!#$%&'*+/=?^_`{|}~.-]+@[a-z0-9-]+(\.[a-z0-9-]+)*$/i;
 var NUMBER_REGEXP = /^\s*(\-|\+)?(\d+|(\d*(\.\d*)))\s*$/;
 var DATE_REGEXP = /^(\d{4})-(\d{2})-(\d{2})$/;