From 72b2902aab6b69f38e4330b3183b9c543d41d67e Mon Sep 17 00:00:00 2001
From: Vic <74975015+vicuts@users.noreply.github.com>
Date: Sun, 4 Oct 2026 04:40:22 +0300
Subject: [PATCH] feat(isLicensePlate): add ro-RO locale

---
 README.md                 |  2 +-
 src/lib/isLicensePlate.js |  2 ++
 test/validators.test.js   | 29 +++++++++++++++++++++++++++++
 3 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index e8b7aedd9..9958cc807 100644
--- a/README.md
+++ b/README.md
@@ -141,7 +141,7 @@ Validator                               | Description
 **isJWT(str)**                          | check if the string is valid JWT token.
 **isLatLong(str [, options])**          | check if the string is a valid latitude-longitude coordinate in the format `lat,long` or `lat, long`.<br/><br/>`options` is an object that defaults to `{ checkDMS: false }`. Pass `checkDMS` as `true` to validate DMS(degrees, minutes, and seconds) latitude-longitude format.
 **isLength(str [, options])**           | check if the string's length falls in a range and equal to any of the integers of the `discreteLengths` array if provided.<br/><br/>`options` is an object which defaults to `{ min: 0, max: undefined, discreteLengths: undefined }`. Note: this function takes into account surrogate pairs.
-**isLicensePlate(str, locale)**         | check if the string matches the format of a country's license plate.<br/><br/>`locale` is one of `['cs-CZ', 'de-DE', 'de-LI', 'en-IN', 'en-SG', 'en-PK', 'es-AR', 'hu-HU', 'pt-BR', 'pt-PT', 'sq-AL', 'sv-SE']` or `'any'`.
+**isLicensePlate(str, locale)**         | check if the string matches the format of a country's license plate.<br/><br/>`locale` is one of `['cs-CZ', 'de-DE', 'de-LI', 'en-IN', 'en-SG', 'en-PK', 'es-AR', 'hu-HU', 'pt-BR', 'pt-PT', 'ro-RO', 'sq-AL', 'sv-SE']` or `'any'`.
 **isLocale(str)**                       | check if the string is a locale.
 **isLowercase(str)**                    | check if the string is lowercase.
 **isLuhnNumber(str)**                    | check if the string passes the [Luhn algorithm check](https://en.wikipedia.org/wiki/Luhn_algorithm).
diff --git a/src/lib/isLicensePlate.js b/src/lib/isLicensePlate.js
index 54d80635f..c2acc66ae 100644
--- a/src/lib/isLicensePlate.js
+++ b/src/lib/isLicensePlate.js
@@ -15,6 +15,8 @@ const validators = {
     /^[A-Z]{3}[ -]?[0-9][A-Z][0-9]{2}|[A-Z]{3}[ -]?[0-9]{4}$/.test(str),
   'pt-PT': str =>
     /^(([A-Z]{2}[ -·]?[0-9]{2}[ -·]?[0-9]{2})|([0-9]{2}[ -·]?[A-Z]{2}[ -·]?[0-9]{2})|([0-9]{2}[ -·]?[0-9]{2}[ -·]?[A-Z]{2})|([A-Z]{2}[ -·]?[0-9]{2}[ -·]?[A-Z]{2}))$/.test(str),
+  'ro-RO': str =>
+    /^(B[- ]?(0[1-9]|[1-9]\d{1,2})|(AB|AG|AR|BC|BH|BN|BR|BT|BV|BZ|CJ|CL|CS|CT|CV|DB|DJ|GJ|GL|GR|HD|HR|IF|IL|IS|MH|MM|MS|NT|OT|PH|SB|SJ|SM|SV|TL|TM|TR|VL|VN|VS)[- ]?(0[1-9]|[1-9]\d))[- ]?[A-HJ-NPR-Z][A-PR-Z]{2}$/.test(str),
   'sq-AL': str =>
     /^[A-Z]{2}[- ]?((\d{3}[- ]?(([A-Z]{2})|T))|(R[- ]?\d{3}))$/.test(str),
   'sv-SE': str =>
diff --git a/test/validators.test.js b/test/validators.test.js
index 98d2a12ff..fe5a84534 100644
--- a/test/validators.test.js
+++ b/test/validators.test.js
@@ -15029,6 +15029,35 @@ describe('Validators', () => {
         'AAA 00 AAA',
       ],
     });
+    test({
+      validator: 'isLicensePlate',
+      args: ['ro-RO'],
+      valid: [
+        'B 12 ABC',
+        'B 123 ABC',
+        'B 01 XYZ',
+        'B123ABC',
+        'CJ 12 ABC',
+        'CJ-05-XYZ',
+        'AB 01 AAA',
+        'VS99ZZZ',
+      ],
+      invalid: [
+        '',
+        'B 00 ABC',
+        'B 012 ABC',
+        'B 1234 ABC',
+        'CJ 00 ABC',
+        'CJ 123 ABC',
+        'CJ 12 AB',
+        'CJ 12 IAB',
+        'CJ 12 OAB',
+        'CJ 12 AQB',
+        'XX 12 ABC',
+        'cj 12 abc',
+        'CJ  12 ABC',
+      ],
+    });
     test({
       validator: 'isLicensePlate',
       args: ['cs-CZ'],