Check if a string is an IP address

$ npm install --save is-ip

const isIp = require('is-ip');

isIp('192.168.0.1');
//=> true

isIp('1:2:3:4:5:6:7:8');
//=> true

isIp.v4('1:2:3:4:5:6:7:8');
//=> false

Check if input is IPv4 or IPv6.

Check if input is IPv4.

Check if input is IPv6.

• ip-regex - Regular expression for matching IP addresses

MIT © Sindre Sorhus