@regexp-extra/ipv4-address v0.1.1

RegExp for matching IPv4 address.

const IPV4_ADDRESS = require('@regexp-extra/ipv4-address');
// -> regular expression (global)


IPV4_ADDRESS.test('192.168.0');
// false

var str = '192.168.0.1, 10.1.1.1';
IPV4_ADDRESS.test(str);
// true

str.match(IPV4_ADDRESS);
// [ '192.168.0.1', '10.1.1.1' ]

new RegExp(IPV4_ADDRESS).exec(str);
// [ '192.168.0.1',
//   index: 0,
//   input: '192.168.0.1, 10.1.1.1',
//   groups: undefined ]

credits: taken directly from sindresorhus/ip-regex.