Example with regex in path

Related to remix-run#391 and this example remix-run#391 (comment)

Author: maks-rafalko

website/modules/examples/Params.js

@@ -17,6 +17,7 @@ const ParamsExample = () => (
       </ul>
 
       <Route path="/:id" component={Child}/>
+      <Route path="/order/:direction(asc|desc)" component={ComponentWithRegex}/>
     </div>
   </Router>
 )
@@ -27,4 +28,10 @@ const Child = ({ match }) => (
   </div>
 )
 
+const ComponentWithRegex = ({ match }) => (
+  <div>
+    <h3>Only asc/desc are allowed: {match.params.direction}</h3>
+  </div>
+)
+
 export default ParamsExample