Regular expression for matching IP addresses
$ npm install ip-regex
This module targets Node.js 8 or later and the latest version of Chrome, Firefox, and Safari. If you want support for older browsers, use version 2.1.0: npm install [email protected]
const ipRegex = require('ip-regex');
// Contains an IP address?
ipRegex().test('unicorn 192.168.0.1');
//=> true
// Is an IP address?
ipRegex({exact: true}).test('unicorn 192.168.0.1');
//=> false
ipRegex.v6({exact: true}).test('1:2:3:4:5:6:7:8');
//=> true
'unicorn 192.168.0.1 cake 1:2:3:4:5:6:7:8 rainbow'.match(ipRegex());
//=> ['192.168.0.1', '1:2:3:4:5:6:7:8']Returns a regex for matching both IPv4 and IPv6.
Returns a regex for matching IPv4.
Returns a regex for matching IPv6.
Type: boolean
Default: false (Matches any IP address in a string)
Only match an exact string. Useful with RegExp#test() to check if a string is an IP address.
- is-ip - Check if a string is an IP address
- is-cidr - Check if a string is an IP address in CIDR notation
- cidr-regex - Regular expression for matching IP addresses in CIDR notation
MIT © Sindre Sorhus