if administrativeAreaJSON.SubZips != "" && administrativeAreaJSON.SubZipExs != "" && subZips[i] != "" && subZipExs[i] != "" {
            err := checkPostalCodeRegex("^"+subZips[i], strings.Split(subZipExs[i], ","))

            if err != nil {
                return result, postCodeResult, fmt.Errorf("error checking default locality post code regex for %s against sample: %s", administrativeAreaJSON.ID, err)