Add exemple for validations in the README.

1 files changed, 20 insertions, 0 deletions

diff --git a/README.md b/README.md
index ea50562..8aab966 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,26 @@ or:
 
 The attribute Validations is optional, but all the keys defined in the map need to be parameters in the URL.
 
+If you use validation, you can write this kind of route with no ambiguity:
+
+    &Route{
+        Method: "GET",
+        Path: "/user/:id",
+        Code: GetUserById,
+        Validations: map[string]*regexp.Regexp{
+            "id": regexp.MustCompile("[\\d]+"),
+        }
+    }
+
+    &Route{
+        Method: "GET",
+        Path: "/user/:name",
+        Code: GetUserByName,
+        Validations: map[string]*regexp.Regexp{
+            "id": regexp.MustCompile("[a-zA-Z]+"),
+        }
+    }
+
 ## External links
 
 * [Build status](https://drone.io/github.com/franckcuny/mooh/latest)