#8863: Malta zipcode validation incomplete

Author: Marijo Macinkovic

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

@@ -277,8 +277,9 @@
     </zip>
     <zip countryCode="MT">
         <codes>
-            <code id="pattern_1" active="true" example="ABC 123">^[a-zA-Z]{3}\s[0-9]{3}$</code>
-            <code id="pattern_2" active="true" example="ABC 12">^[a-zA-Z]{3}\s[0-9]{2}$</code>
+            <code id="pattern_1" active="true" example="ABC 1234">^[a-zA-Z]{3}\s[0-9]{4}$</code>
+            <code id="pattern_2" active="true" example="ABC 123">^[a-zA-Z]{3}\s[0-9]{3}$</code>
+            <code id="pattern_3" active="true" example="ABC 12">^[a-zA-Z]{3}\s[0-9]{2}$</code>
         </codes>
     </zip>
     <zip countryCode="MH">