EH.yaml in countries-3.1.0

- old
+ new

@@ -16,9 +16,10 @@
   subregion: Northern Africa
   world_region: EMEA
   un_locode: EH
   nationality: Sahrawi
   postal_code: true
+  postal_code_format: "\\d{5}"
   unofficial_names:
   - Western Sahara
   - الصحراء الغربية
   - Westsahara
   - Sahara Occidental