MAGETWO-66763: Make NL zipcode pattern less strict #4874

 - Merge Pull Request #4874 from tdgroot/magento2:develop_zipcode_nl_nl

Author: vrann

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