feat(isMobilePhone): add nl-NL locale (#1054)

This PR adds support for Dutch (nl-NL) locale for isMobilePhone.

closes #923 
====
* fix(isMobilePhone): add dutch phone number format

* fix: clean-up PR #932

- add tests
- update README

Author: profnandaa

README.md

@@ -121,7 +121,7 @@ Validator                               | Description
 **isMACAddress(str)**                   | check if the string is a MAC address.<br/><br/>`options` is an object which defaults to `{no_colons: false}`. If `no_colons` is true, the validator will allow MAC addresses without the colons.
 **isMD5(str)**                          | check if the string is a MD5 hash.
 **isMimeType(str)**                     | check if the string matches to a valid [MIME type](https://en.wikipedia.org/wiki/Media_type) format
-**isMobilePhone(str [, locale [, options]])**          | check if the string is a mobile phone number,<br/><br/>(locale is either an array of locales (e.g `['sk-SK', 'sr-RS']`) OR one of `['ar-AE', 'ar-DZ', 'ar-EG', 'ar-IQ', ar-JO', 'ar-KW', 'ar-SA', 'ar-SY', 'ar-TN', 'be-BY', 'bg-BG', 'bn-BD', 'cs-CZ', 'de-DE', 'da-DK', 'el-GR', 'en-AU', 'en-CA', 'en-GB', 'en-GH', 'en-HK', 'en-IE', 'en-IN',  'en-KE', 'en-MU', en-NG', 'en-NZ', 'en-RW', 'en-SG', 'en-UG', 'en-US', 'en-TZ', 'en-ZA', 'en-ZM', 'en-PK', 'es-ES', 'es-MX', 'es-PY', 'es-UY', 'et-EE', 'fa-IR', 'fi-FI', 'fj-FJ', 'fr-FR', 'he-IL', 'hu-HU', 'id-ID', 'it-IT', 'ja-JP', 'kk-KZ', 'ko-KR', 'lt-LT', 'ms-MY', 'nb-NO', 'nn-NO', 'pl-PL', 'pt-PT', 'pt-BR', 'ro-RO', 'ru-RU', 'sl-SI', 'sk-SK', 'sr-RS', 'sv-SE', 'th-TH', 'tr-TR', 'uk-UA', 'vi-VN', 'zh-CN', 'zh-HK', 'zh-TW']` OR defaults to 'any'. If 'any' or a falsey value is used, function will check if any of the locales match).<br/><br/>`options` is an optional object that can be supplied with the following keys: `strictMode`, if this is set to `true`, the mobile phone number must be supplied with the country code and therefore must start with `+`. Locale list is `validator.isMobilePhoneLocales`.
+**isMobilePhone(str [, locale [, options]])**          | check if the string is a mobile phone number,<br/><br/>(locale is either an array of locales (e.g `['sk-SK', 'sr-RS']`) OR one of `['ar-AE', 'ar-DZ', 'ar-EG', 'ar-IQ', ar-JO', 'ar-KW', 'ar-SA', 'ar-SY', 'ar-TN', 'be-BY', 'bg-BG', 'bn-BD', 'cs-CZ', 'de-DE', 'da-DK', 'el-GR', 'en-AU', 'en-CA', 'en-GB', 'en-GH', 'en-HK', 'en-IE', 'en-IN',  'en-KE', 'en-MU', en-NG', 'en-NZ', 'en-RW', 'en-SG', 'en-UG', 'en-US', 'en-TZ', 'en-ZA', 'en-ZM', 'en-PK', 'es-ES', 'es-MX', 'es-PY', 'es-UY', 'et-EE', 'fa-IR', 'fi-FI', 'fj-FJ', 'fr-FR', 'he-IL', 'hu-HU', 'id-ID', 'it-IT', 'ja-JP', 'kk-KZ', 'ko-KR', 'lt-LT', 'ms-MY', 'nb-NO', 'nl-BE', ;nl-NL', 'nn-NO', 'pl-PL', 'pt-PT', 'pt-BR', 'ro-RO', 'ru-RU', 'sl-SI', 'sk-SK', 'sr-RS', 'sv-SE', 'th-TH', 'tr-TR', 'uk-UA', 'vi-VN', 'zh-CN', 'zh-HK', 'zh-TW']` OR defaults to 'any'. If 'any' or a falsey value is used, function will check if any of the locales match).<br/><br/>`options` is an optional object that can be supplied with the following keys: `strictMode`, if this is set to `true`, the mobile phone number must be supplied with the country code and therefore must start with `+`. Locale list is `validator.isMobilePhoneLocales`.
 **isMongoId(str)**                      | check if the string is a valid hex-encoded representation of a [MongoDB ObjectId][mongoid].
 **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 `.`).

lib/isMobilePhone.js

@@ -69,6 +69,7 @@ var phones = {
   'ms-MY': /^(\+?6?01){1}(([0145]{1}(\-|\s)?\d{7,8})|([236789]{1}(\s|\-)?\d{7}))$/,
   'nb-NO': /^(\+?47)?[49]\d{7}$/,
   'nl-BE': /^(\+?32|0)4?\d{8}$/,
+  'nl-NL': /^(\+?31|0)6?\d{8}$/,
   'nn-NO': /^(\+?47)?[49]\d{7}$/,
   'pl-PL': /^(\+?48)? ?[5-8]\d ?\d{3} ?\d{2} ?\d{2}$/,
   'pt-BR': /(?=^(\+?5{2}\-?|0)[1-9]{2}\-?\d{4}\-?\d{4}$)(^(\+?5{2}\-?|0)[1-9]{2}\-?[6-9]{1}\d{3}\-?\d{4}$)|(^(\+?5{2}\-?|0)[1-9]{2}\-?9[6-9]{1}\d{3}\-?\d{4}$)/,

src/lib/isMobilePhone.js

@@ -59,6 +59,7 @@ const phones = {
   'ms-MY': /^(\+?6?01){1}(([0145]{1}(\-|\s)?\d{7,8})|([236789]{1}(\s|\-)?\d{7}))$/,
   'nb-NO': /^(\+?47)?[49]\d{7}$/,
   'nl-BE': /^(\+?32|0)4?\d{8}$/,
+  'nl-NL': /^(\+?31|0)6?\d{8}$/,
   'nn-NO': /^(\+?47)?[49]\d{7}$/,
   'pl-PL': /^(\+?48)? ?[5-8]\d ?\d{3} ?\d{2} ?\d{2}$/,
   'pt-BR': /(?=^(\+?5{2}\-?|0)[1-9]{2}\-?\d{4}\-?\d{4}$)(^(\+?5{2}\-?|0)[1-9]{2}\-?[6-9]{1}\d{3}\-?\d{4}$)|(^(\+?5{2}\-?|0)[1-9]{2}\-?9[6-9]{1}\d{3}\-?\d{4}$)/,

test/validators.js

@@ -4687,6 +4687,28 @@ describe('Validators', () => {
           '320212345678',
         ],
       },
+      {
+        locale: 'nl-NL',
+        valid: [
+          '0670123456',
+          '+31670123456',
+          '31670123456',
+          '021234567',
+          '+3121234567',
+          '3121234567',
+        ],
+        invalid: [
+          '12345',
+          '+3112345',
+          '3112345',
+          '06701234567',
+          '+3104701234567',
+          '3104701234567',
+          '0212345678',
+          '+310212345678',
+          '310212345678',
+        ],
+      },
       {
         locale: 'ro-RO',
         valid: [

validator.js

@@ -1398,6 +1398,7 @@ var phones = {
   'ms-MY': /^(\+?6?01){1}(([0145]{1}(\-|\s)?\d{7,8})|([236789]{1}(\s|\-)?\d{7}))$/,
   'nb-NO': /^(\+?47)?[49]\d{7}$/,
   'nl-BE': /^(\+?32|0)4?\d{8}$/,
+  'nl-NL': /^(\+?31|0)6?\d{8}$/,
   'nn-NO': /^(\+?47)?[49]\d{7}$/,
   'pl-PL': /^(\+?48)? ?[5-8]\d ?\d{3} ?\d{2} ?\d{2}$/,
   'pt-BR': /(?=^(\+?5{2}\-?|0)[1-9]{2}\-?\d{4}\-?\d{4}$)(^(\+?5{2}\-?|0)[1-9]{2}\-?[6-9]{1}\d{3}\-?\d{4}$)|(^(\+?5{2}\-?|0)[1-9]{2}\-?9[6-9]{1}\d{3}\-?\d{4}$)/,