From e6c0bd819af31c5343385532ba1a33a6c7b92ca9 Mon Sep 17 00:00:00 2001
From: "jc.glombard" <jc.glombard@gmail.com>
Date: Tue, 27 Oct 2026 16:46:07 +0100
Subject: [PATCH] Accept Hong Kong postcode placeholders (000, 0000, 00000,
 000000, HKG, HK)

Hong Kong has no postal code system; Hongkong Post recommends placeholders
when a postcode field is mandatory.

Closes #69
---
 src/ZipCodeValidator/Constraints/ZipCodeValidator.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ZipCodeValidator/Constraints/ZipCodeValidator.php b/src/ZipCodeValidator/Constraints/ZipCodeValidator.php
index 8f4cc01..9aff632 100644
--- a/src/ZipCodeValidator/Constraints/ZipCodeValidator.php
+++ b/src/ZipCodeValidator/Constraints/ZipCodeValidator.php
@@ -92,7 +92,7 @@ class ZipCodeValidator extends ConstraintValidator
         'GT' => '\\d{5}',
         'GU' => '(969(?:[12]\\d|3[12]))(?:[ \\-](\\d{4}))?',
         'GW' => '\\d{4}',
-        'HK' => '999077', //Hong Kong
+        'HK' => '999077|0{3,6}|HKG|HK', //Hong Kong (no postal code system, placeholders accepted)
         'HM' => '\\d{4}',
         'HN' => '\\d{5}',
         'HR' => '\\d{5}',