Added AD postalcode validation

README.md

@@ -108,7 +108,7 @@ Validator                               | Description
 **isMultibyte(str)**                    | check if the string contains one or more multibyte chars.
 **isNumeric(str [, options])**                      | check if the string contains only numbers.<br/><br/>`options` is an object which defaults to `{no_symbols: false}`. If `no_symbols` is true, the validator will reject numeric strings that feature a symbol (e.g. `+`, `-`, or `.`).
 **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 `[ 'AT', 'AU', 'BE', 'BG', 'CA', 'CH', 'CZ', 'DE', 'DK', 'DZ', 'EE', 'ES', 'FI', 'FR', 'GB', 'GR', 'HR', 'HU', 'IL', 'IN', 'IS', 'IT', 'JP', 'KE', 'LI', 'LT', 'LU', 'LV', 'MX', 'NL', 'NO', 'PL', 'PT', 'RO', 'RU', 'SA', 'SE', 'SI', 'TN', 'TW', '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', 'BE', 'BG', 'CA', 'CH', 'CZ', 'DE', 'DK', 'DZ', 'EE', 'ES', 'FI', 'FR', 'GB', 'GR', 'HR', 'HU', 'IL', 'IN', 'IS', 'IT', 'JP', 'KE', 'LI', 'LT', 'LU', 'LV', 'MX', 'NL', 'NO', 'PL', 'PT', 'RO', 'RU', 'SA', 'SE', 'SI', 'TN', 'TW', 'US', 'ZA', 'ZM' ]` OR 'any'. If 'any' is used, function will check if any of the locals match. locale list is `validator.isPostalCodeLocales`.).
 **isSurrogatePair(str)**                | check if the string contains any surrogate pairs chars.
 **isURL(str [, options])**              | check if the string is an URL.<br/><br/>`options` is an object which defaults to `{ protocols: ['http','https','ftp'], require_tld: true, require_protocol: false, require_host: true, require_valid_protocol: true, allow_underscores: false, host_whitelist: false, host_blacklist: false, allow_trailing_dot: false, allow_protocol_relative_urls: false }`.
 **isUUID(str [, version])**             | check if the string is a UUID (version 3, 4 or 5).

lib/isPostalCode.js

@@ -36,6 +36,7 @@ var fiveDigit = /^\d{5}$/;
 var sixDigit = /^\d{6}$/;
 
 var patterns = {
+  AD: /^AD\d{3}$/,
   AT: fourDigit,
   AU: fourDigit,
   BE: fourDigit,

src/lib/isPostalCode.js

@@ -7,6 +7,7 @@ const fiveDigit = /^\d{5}$/;
 const sixDigit = /^\d{6}$/;
 
 const patterns = {
+  AD: /^AD\d{3}$/,
   AT: fourDigit,
   AU: fourDigit,
   BE: fourDigit,

test/validators.js

@@ -5699,6 +5699,18 @@ describe('Validators', () => {
           '499 49',
         ],
       },
+      {
+        locale: 'AD',
+        valid: [
+          'AD100',
+          'AD200',
+          'AD300',
+          'AD400',
+          'AD500',
+          'AD600',
+          'AD700',
+        ],
+      },
     ];
 
     let allValid = [];

validator.js

@@ -1357,6 +1357,7 @@ var fiveDigit = /^\d{5}$/;
 var sixDigit = /^\d{6}$/;
 
 var patterns = {
+  AD: /^AD\d{3}$/,
   AT: fourDigit,
   AU: fourDigit,
   BE: fourDigit,