Regular expression for matching IP addresses
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ip-regex Build Status

Regular expression for matching IP addresses

Install

$ npm install --save ip-regex

Usage

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']

API

ipRegex([options])

Returns a regex for matching both IPv4 and IPv6.

ipRegex.v4([options])

Returns a regex for matching IPv4.

ipRegex.v6([options])

Returns a regex for matching IPv6.

options.exact

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.

Related

  • is-ip - Check if a string is an IP address

License

MIT © Sindre Sorhus