43 lines
956 B
Markdown
43 lines
956 B
Markdown
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# Is my IP valid
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A small lib to validate IP addresses.
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## Installation
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```sh
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npm install --save is-my-ip-valid
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```
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## Usage
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```js
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const validator = require('is-my-ip-valid')
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const validate = validator()
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const validate4 = validator({ version: 4 })
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const validate6 = validator({ version: 6 })
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console.log(validate('127.0.0.1'))
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//=> true
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console.log(validate4('127.0.0.1'))
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//=> true
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console.log(validate6('127.0.0.1'))
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//=> false
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console.log(validate('2001:0db8:85a3:0000:0000:8a2e:0370:7334'))
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//=> true
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console.log(validate4('2001:0db8:85a3:0000:0000:8a2e:0370:7334'))
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//=> false
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console.log(validate6('2001:0db8:85a3:0000:0000:8a2e:0370:7334'))
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//=> true
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```
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## Acknowledgements
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The code is mostly based on this wonderful library: [beaugunderson/ip-address](https://github.com/beaugunderson/ip-address)
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All regexes used are audited for catastrophic backtracking by this module: [substack/safe-regex](https://github.com/substack/safe-regex)
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