MAGETWO-83196: [Backport 2.3] #11898 - Change NL PostCode Pattern #11961

 - Merge Pull Request #11961 from osrecio/magento2:PR#NL_PostCode_2.3
 - Merged commits:
   1. b5caeca

Author: ishakhsuvarov

app/code/Magento/Directory/etc/zip_codes.xml

@@ -319,7 +319,7 @@
     </zip>
     <zip countryCode="NL">
         <codes>
-            <code id="pattern_1" active="true" example="1234 AB">^[0-9]{4}\s?[a-zA-Z]{2}$</code>
+            <code id="pattern_1" active="true" example="1234 AB/1234AB">^[1-9][0-9]{3}\s?[a-zA-Z]{2}$</code>
         </codes>
     </zip>
     <zip countryCode="NO">