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is-cidr

is-cidr

Check if a string is an IP address in CIDR notation

Install

$ npm install --save is-cidr

Usage

const isCidr = require('is-cidr');
 
isCidr('192.168.0.1/24');
//=> true
 
isCidr('1:2:3:4:5:6:7:8/64');
//=> true
 
isCidr.v4('1:2:3:4:5:6:7:8/64');
//=> false

API

isCidr(input)

Check if input is a IPv4 or IPv6 CIDR address.

isCidr.v4(input)

Check if input is IPv4 CIDR address.

isCidr.v6(input)

Check if input is IPv6 CIDR address.

Related

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

License

© silverwind, distributed under BSD licence

Based on previous work by Felipe Apostol