diff --git a/index.js b/index.js
index 989354d..947d98e 100644
--- a/index.js
+++ b/index.js
@@ -1,6 +1,6 @@
 /*
- * @Author: kael 
- * @Date: 2018-02-14 17:50:28 
+ * @Author: kael
+ * @Date: 2018-02-14 17:50:28
  * @Last Modified by: kael
  * @Last Modified time: 2018-07-10 16:50:09
  */
@@ -9,8 +9,8 @@ module.exports = {
   mobile: /^1\d{10}$/,
   qq: /^[1-9]\d{4,10}$/,
   number: /^[-+]?(?:\d+(?:\.\d*)|(?:\d*\.)?\d+)$/,
-  email: /^.$/,
-  url: /^.$/,
-  ipv4: /^.$/,
-  idcard: /^.$/,
-};
\ No newline at end of file
+  email: /^\w{1,}@{1}\w+\.+\w+$/,
+  url: /^(http|https):\/\/(\w+\.)+\w+([:0-9]{5})?/,
+  ipv4: /^(((\d{1,2})|(1\d{2})|(2[0-4]\d)|25[0-5])\.){3}((\d{1,2})|(1\d{2})|(2[0-4]\d)|25[0-5])$/,
+  idcard: /^\d{6}1[8-9]\d{2}(0[1-9]|1[0-2])(\d|[0-2]\d|3[0-1])\d{3}[\dX]$/,
+};