feat(isLicensePlate): add support for Swedish license plates (validatorjs#1665)

* feat: add support for Swedish license plates

* feat: allow spaces

* fix(docs): sort alphabetically

* fix(isLicensePlate): Trim, disallow 0 and fix regex

Author: elmaxe

README.md

@@ -140,7 +140,7 @@ 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 `['cs-CZ', 'de-DE', 'de-LI', 'fi-FI', pt-PT', 'sq-AL', 'pt-BR']` or `any`)
+**isLicensePlate(str [, locale])**     | check if string matches the format of a country's license plate.<br/><br/>(locale is one of `['cs-CZ', 'de-DE', 'de-LI', 'fi-FI', 'pt-BR', 'pt-PT', 'sq-AL', 'sv-SE']` or `any`)
 **isLocale(str)**                       | check if the string is a locale
 **isLowercase(str)**                    | check if the string is lowercase.
 **isMACAddress(str [, options])**                   | 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'. The options also allow a `eui` property to specify if it needs to be validated against EUI-48 or EUI-64. The accepted values of `eui` are: 48, 64.

src/lib/isLicensePlate.js

@@ -13,6 +13,8 @@ const validators = {
     /^[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),
+  'sv-SE': str =>
+    /^[A-HJ-PR-UW-Z]{3} ?[\d]{2}[A-HJ-PR-UW-Z1-9]$|(^[A-ZÅÄÖ ]{2,7}$)/.test(str.trim()),
 };
 
 export default function isLicensePlate(str, locale) {

test/validators.js

@@ -11767,6 +11767,44 @@ describe('Validators', () => {
         'FS AB 1234 A',
       ],
     });
+    test({
+      validator: 'isLicensePlate',
+      args: ['sv-SE'],
+      valid: [
+        'ABC 123',
+        'ABC 12A',
+        'ABC123',
+        'ABC12A',
+        'A WORD',
+        'WORD',
+        'ÅSNA',
+        'EN VARG',
+        'CERISE',
+        'AA',
+        'ABCDEFG',
+        'ÅÄÖ',
+        'ÅÄÖ ÅÄÖ',
+      ],
+      invalid: [
+        '',
+        '    ',
+        'IQV 123',
+        'IQV123',
+        'ABI 12Q',
+        'ÅÄÖ 123',
+        'ÅÄÖ 12A',
+        'AB1 A23',
+        'AB1 12A',
+        'lower',
+        'abc 123',
+        'abc 12A',
+        'abc 12a',
+        'AbC 12a',
+        'WORDLONGERTHANSEVENCHARACTERS',
+        'A',
+        'ABC-123',
+      ],
+    });
   });
   it('should validate VAT numbers', () => {
     test({