README.md in airborne-0.0.19 vs README.md in airborne-0.0.20

@@ -69,9 +69,20 @@
   get '/simple_path_get' #may or may not return coordinates
   expect_json_types("address.coordinates", optional({latitude: :float, longitude: :float}))
 end
 ```
 
+Additionally, when calling `expect_json`, you can provide a regex pattern in a call to `regex`:
+
+```ruby
+describe 'sample spec' do
+  it 'should validate types' do
+    get 'http://example.com/api/v1/simple_get' #json api that returns { "name" : "John Doe" }
+    expect_json({name: regex("^John")})
+  end
+end
+```
+
 When calling `expect_json` or `expect_json_types`, you can optionally provide a block and run your own `rspec` expectations:
 
 ```ruby
 describe 'sample spec' do
   it 'should validate types' do