1 | # is-valid-domain
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2 |
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3 | > Validate domain name in JavaScript
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4 |
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5 | ## Demo
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6 |
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7 | [https://lab.miguelmota.com/is-valid-domain](https://lab.miguelmota.com/is-valid-domain)
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8 |
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9 | ## Install
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10 |
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11 | ```bash
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12 | npm install is-valid-domain
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13 | ```
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14 |
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15 | ## Usage
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16 |
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17 | ```javascript
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18 | const isValidDomain = require('is-valid-domain')
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19 |
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20 | isValidDomain('example.com') // true
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21 | isValidDomain('foo.example.com') // true
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22 | isValidDomain('bar.foo.example.com') // true
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23 | isValidDomain('exa-mple.co.uk') // true
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24 | isValidDomain('xn--80ak6aa92e.com') // true
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25 | isValidDomain('_dnslink.ipfs.io') // true
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26 | isValidDomain('exa_mple.com') // false
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27 | isValidDomain('-example.co.uk') // false
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28 | isValidDomain('example') // false
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29 | isValidDomain('ex*mple.com') // false
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30 | isValidDomain('*.example.com') // false
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31 | isValidDomain('*.com') // false
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32 | isValidDomain(3434) // false
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33 |
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34 | isValidDomain('foo.example.com', {subdomain: true}) // true
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35 | isValidDomain('foo.example.com', {subdomain: false}) // false
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36 | isValidDomain('*.example.com', {wildcard: false}) // false
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37 | isValidDomain('*.example.com', {wildcard: true}) // true
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38 | isValidDomain('*.example.com', {subdomain: false, wildcard: true}) // false
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39 | ```
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40 |
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41 | view more [examples](./test/test.js)
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42 |
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43 | Also check out [is-valid-hostname](https://github.com/miguelmota/is-valid-hostname) to validate hostnames.
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44 |
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45 | ## License
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46 |
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47 | [MIT](LICENSE)
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