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# is-valid-domain > Validate domain name in JavaScript ## Demo [https://lab.miguelmota.com/is-valid-domain](https://lab.miguelmota.com/is-valid-domain) ## Install ```bash npm install is-valid-domain ``` ## Usage ```javascript const isValidDomain = require('is-valid-domain') isValidDomain('example.com') // true isValidDomain('foo.example.com') // true isValidDomain('bar.foo.example.com') // true isValidDomain('exa-mple.co.uk') // true isValidDomain('xn--80ak6aa92e.com') // true isValidDomain('exa_mple.com') // false isValidDomain('-example.co.uk') // false isValidDomain('example') // false isValidDomain('ex*mple.com') // false isValidDomain('*.example.com') // false isValidDomain('*.com') // false isValidDomain(3434) // false isValidDomain('foo.example.com', {subdomain: true}) // true isValidDomain('foo.example.com', {subdomain: false}) // false isValidDomain('*.example.com', {wildcard: false}) // false isValidDomain('*.example.com', {wildcard: true}) // true isValidDomain('*.example.com', {subdomain: false, wildcard: true}) // false ``` view more [examples](./test/test.js) ## License [MIT](LICENSE)