feat(isLicensePlate): add support for pt-BR locale (#1588)

* License Plate validators: pt-BR and mercosur

* Removing mercosur as it's not an actual valid country locale

Author: renanmontebelo

README.md

@@ -131,7 +131,7 @@ 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.<br/><br/>`options` is an object which defaults to `{min:0, max: undefined}`. Note: this function takes into account surrogate pairs.
-**isLicensePlate(str [, locale])**     | check if string matches the format of a country's license plate.<br/><br/>(locale is one of `['de-DE', 'de-LI', 'pt-PT', 'sq-AL']` or `any`)
+**isLicensePlate(str [, locale])**     | check if string matches the format of a country's license plate.<br/><br/>(locale is one of `['de-DE', 'de-LI', 'pt-PT', 'sq-AL', 'pt-BR'']` or `any`). 
 **isLocale(str)**                       | check if the string is a locale
 **isLowercase(str)**                    | check if the string is lowercase.
 **isMACAddress(str)**                   | check if the string is a MAC address.<br/><br/>`options` is an object which defaults to `{no_separators: false}`. If `no_separators` is true, the validator will allow MAC addresses without separators. Also, it allows the use of hyphens, spaces or dots e.g  '01 02 03 04 05 ab', '01-02-03-04-05-ab' or '0102.0304.05ab'.

src/lib/isLicensePlate.js

@@ -8,6 +8,8 @@ const validators = {
     /^([A-Z]{2}|[0-9]{2})[ -·]?([A-Z]{2}|[0-9]{2})[ -·]?([A-Z]{2}|[0-9]{2})$/.test(str),
   'sq-AL': str =>
     /^[A-Z]{2}[- ]?((\d{3}[- ]?(([A-Z]{2})|T))|(R[- ]?\d{3}))$/.test(str),
+  'pt-BR': str =>
+    /^[A-Z]{3}[ -]?[0-9][A-Z][0-9]{2}|[A-Z]{3}[ -]?[0-9]{4}$/.test(str),
 };
 
 export default function isLicensePlate(str, locale) {

test/validators.js

@@ -10403,6 +10403,28 @@ describe('Validators', () => {
         'AAA 00 AAA',
       ],
     });
+    test({
+      validator: 'isLicensePlate',
+      args: ['pt-BR'],
+      valid: [
+        'ABC1234',
+        'ABC 1234',
+        'ABC-1234',
+        'ABC1D23',
+        'ABC1K23',
+        'ABC1Z23',
+        'ABC 1D23',
+        'ABC-1D23',
+      ],
+      invalid: [
+        '',
+        'AA 0 A',
+        'AAA 00 AAA',
+        'ABCD123',
+        'AB12345',
+        'AB123DC',
+      ],
+    });
     test({
       validator: 'isLicensePlate',
       args: ['any'],