Need private packages and team management tools?Check out npm Teams »

is-ip

3.1.0 • Public • Published

is-ip Build Status

Check if a string is an IP address

Install

$ npm install is-ip

Usage

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

API

isIp(string)

Check if string is IPv4 or IPv6.

isIp.v4(string)

Check if string is IPv4.

isIp.v6(string)

Check if string is IPv6.

isIp.version(string)

Returns 6 if string is IPv6, 4 if string is IPv4, or undefined if string is neither.

isIp.version('192.168.0.1');
//=> 4
 
isIp.version('1:2:3:4:5:6:7:8');
//=> 6
 
isIp.version('abc');
//=> undefined

Related

  • ip-regex - Regular expression for matching IP addresses
  • is-cidr - Check if a string is an IP address in CIDR notation
  • cidr-regex - Regular expression for matching IP addresses in CIDR notation

License

MIT © Sindre Sorhus

Install

npm i is-ip

DownloadsWeekly Downloads

465,194

Version

3.1.0

License

MIT

Unpacked Size

4.25 kB

Total Files

5

Last publish

Collaborators

  • avatar