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    is-valid-hostname

    1.0.0 • Public • Published

    is-valid-hostname

    Validate hostname in JavaScript based on RFC-1123.

    Demo

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

    Install

    npm install is-valid-hostname

    Usage

    const isValidHostname = require('is-valid-hostname')
    
    isValidHostname('localhost') // true
    isValidHostname('example.com') // true
    isValidHostname('foo.example.com') // true
    isValidHostname('bar.foo.example.com') // true
    isValidHostname('exa-mple.co.uk') // true
    isValidHostname('xn--80ak6aa92e.com') // true
    isValidHostname('9gag.com') // true
    isValidHostname('8.8.8.8') // true
    isValidHostname('127.0.0.1') // true
    isValidHostname('exa_mple.com') // false
    isValidHostname('-example.com') // false
    isValidHostname('example.com:3000') // false
    isValidHostname('8.8.8.8:3000') // false

    View more examples.

    Test

    npm test

    FAQ

    • Q: Why are numbers allowed in top-level domain?

      • A: Numbers in TLD are allowed under RFC-1123. See this answer for more information.

    License

    MIT

    Install

    npm i is-valid-hostname

    DownloadsWeekly Downloads

    572

    Version

    1.0.0

    License

    MIT

    Unpacked Size

    12.9 kB

    Total Files

    11

    Last publish

    Collaborators

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