From d2a7285ce5f7b52bd925f48fc56506961995a7db Mon Sep 17 00:00:00 2001
From: greatSumini <greatsumini@gmail.com>
Date: Mon, 15 Mar 2021 21:54:23 +0900
Subject: [PATCH] Add KR (SouthKorea) postalCode validator and test.

---
 README.md               |  2 +-
 src/lib/isPostalCode.js |  1 +
 test/validators.js      | 11 +++++++++++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index d86ed5d62..6e9b23ed4 100644
--- a/README.md
+++ b/README.md
@@ -146,7 +146,7 @@ Validator                               | Description
 **isOctal(str)**                        | check if the string is a valid octal number.
 **isPassportNumber(str, countryCode)**    | check if the string is a valid passport number.<br/><br/>(countryCode is one of `[ 'AM', 'AR', 'AT', 'AU', 'BE', 'BG', 'BY', 'BR', 'CA', 'CH', 'CN', 'CY', 'CZ', 'DE', 'DK', 'DZ', 'EE', 'ES', 'FI', 'FR', 'GB', 'GR', 'HR', 'HU', 'IE' 'IN', 'IS', 'IT', 'JP', 'KR', 'LT', 'LU', 'LV', 'LY', 'MT', 'MY', 'NL', 'PO', 'PT', 'RO', 'RU', 'SE', 'SL', 'SK', 'TR', 'UA', 'US' ]`.
 **isPort(str)**                         | check if the string is a valid port number.
-**isPostalCode(str, locale)**           | check if the string is a postal code,<br/><br/>(locale is one of `[ 'AD', 'AT', 'AU', 'AZ', 'BE', 'BG', 'BR', 'BY', 'CA', 'CH', 'CN', 'CZ', 'DE', 'DK', 'DO', 'DZ', 'EE', 'ES', 'FI', 'FR', 'GB', 'GR', 'HR', 'HT', 'HU', 'ID', 'IE' 'IL', 'IN', 'IR', 'IS', 'IT', 'JP', 'KE', 'LI', 'LT', 'LU', 'LV', 'MT', 'MX', 'MY', 'NL', 'NO', 'NP', 'NZ', 'PL', 'PR', 'PT', 'RO', 'RU', 'SA', 'SE', 'SG', 'SI', 'TH', 'TN', 'TW', 'UA', 'US', 'ZA', 'ZM' ]` OR 'any'. If 'any' is used, function will check if any of the locals match. Locale list is `validator.isPostalCodeLocales`.).
+**isPostalCode(str, locale)**           | check if the string is a postal code,<br/><br/>(locale is one of `[ 'AD', 'AT', 'AU', 'AZ', 'BE', 'BG', 'BR', 'BY', 'CA', 'CH', 'CN', 'CZ', 'DE', 'DK', 'DO', 'DZ', 'EE', 'ES', 'FI', 'FR', 'GB', 'GR', 'HR', 'HT', 'HU', 'ID', 'IE' 'IL', 'IN', 'IR', 'IS', 'IT', 'JP', 'KE', 'KR', 'LI', 'LT', 'LU', 'LV', 'MT', 'MX', 'MY', 'NL', 'NO', 'NP', 'NZ', 'PL', 'PR', 'PT', 'RO', 'RU', 'SA', 'SE', 'SG', 'SI', 'TH', 'TN', 'TW', 'UA', 'US', 'ZA', 'ZM' ]` OR 'any'. If 'any' is used, function will check if any of the locals match. Locale list is `validator.isPostalCodeLocales`.).
 **isRFC3339(str)**                      | check if the string is a valid [RFC 3339](https://tools.ietf.org/html/rfc3339) date.
 **isRgbColor(str [, includePercentValues])**                     | check if the string is a rgb or rgba color.<br/><br/>`includePercentValues` defaults to `true`. If you don't want to allow to set `rgb` or `rgba` values with percents, like `rgb(5%,5%,5%)`, or `rgba(90%,90%,90%,.3)`, then set it to false.
 **isSemVer(str)**                       | check if the string is a Semantic Versioning Specification (SemVer).
diff --git a/src/lib/isPostalCode.js b/src/lib/isPostalCode.js
index 23b373497..055d802a9 100644
--- a/src/lib/isPostalCode.js
+++ b/src/lib/isPostalCode.js
@@ -41,6 +41,7 @@ const patterns = {
   IT: fiveDigit,
   JP: /^\d{3}\-\d{4}$/,
   KE: fiveDigit,
+  KR: /^(\d{5}|\d{6})$/,
   LI: /^(948[5-9]|949[0-7])$/,
   LT: /^LT\-\d{5}$/,
   LU: fourDigit,
diff --git a/test/validators.js b/test/validators.js
index 4a4180a8e..3772e1339 100644
--- a/test/validators.js
+++ b/test/validators.js
@@ -9503,6 +9503,17 @@ describe('Validators', () => {
           'ab1234',
         ],
       },
+      {
+        locale: 'KR',
+        valid: [
+          '17008',
+          '339012',
+        ],
+        invalid: [
+          '1412347',
+          'ab1234',
+        ],
+      },
     ];
 
     let allValid = [];