A small lib to validate IP addresses.
npm install --save is-my-ip-valid
const validator = require('is-my-ip-valid') const validate = validator() const validate4 = validator({ version: 4 }) const validate6 = validator({ version: 6 }) console.log(validate('127.0.0.1')) //=> true console.log(validate4('127.0.0.1')) //=> true console.log(validate6('127.0.0.1')) //=> false console.log(validate('2001:0db8:85a3:0000:0000:8a2e:0370:7334')) //=> true console.log(validate4('2001:0db8:85a3:0000:0000:8a2e:0370:7334')) //=> false console.log(validate6('2001:0db8:85a3:0000:0000:8a2e:0370:7334')) //=> true
The code is mostly based on this wonderful library: beaugunderson/ip-address
All regexes used are audited for catastrophic backtracking by this module: substack/safe-regex