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is-valid-domain
DefinitelyTyped icon, indicating that this package has TypeScript declarations provided by the separate @types/is-valid-domain package

0.0.17 • Public • Published

is-valid-domain

Validate domain name in JavaScript

Demo

https://lab.miguelmota.com/is-valid-domain

Install

npm install is-valid-domain

Usage

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('_dnslink.ipfs.io') // 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

npm test

Contributing

Adding new domains:

  • Add second level domain to data/second_level_domains.csv
  • Run npm run generate to generate JSON map file
  • Run npm test

License

MIT

Install

npm i is-valid-domain

DownloadsWeekly Downloads

72,039

Version

0.0.17

License

MIT

Unpacked Size

83.1 kB

Total Files

14

Last publish

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