MD.yaml in countries-3.1.0

- old
+ new

@@ -18,9 +18,10 @@
   subregion: Eastern Europe
   world_region: EMEA
   un_locode: MD
   nationality: Moldovan
   postal_code: true
+  postal_code_format: "\\d{4}"
   unofficial_names:
   - Moldova
   - Moldawien
   - Moldavie
   - Moldavia