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ip-regex

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ip-regex

Regular expression for matching IP addresses (IPv4 & IPv6)

  • 5.0.0
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What is ip-regex?

The ip-regex npm package is a module that provides regular expressions for matching IP addresses. It supports both IPv4 and IPv6 addresses and offers options to match exact strings, exclude CIDR notation, and more.

What are ip-regex's main functionalities?

Matching IPv4 addresses

This feature allows you to match IPv4 addresses in a given string using the ipRegex.v4() method.

const ipRegex = require('ip-regex');

// Match all IPv4 addresses in a string
const text = 'Examples: 192.168.0.1 and 8.8.8.8';
const ips = text.match(ipRegex.v4());
console.log(ips);

Matching IPv6 addresses

This feature allows you to match IPv6 addresses in a given string using the ipRegex.v6() method.

const ipRegex = require('ip-regex');

// Match all IPv6 addresses in a string
const text = 'Examples: 1:2:3:4:5:6:7:8 and ::1';
const ips = text.match(ipRegex.v6());
console.log(ips);

Matching exact IP addresses

This feature allows you to match an exact IP address string using the ipRegex.v4() or ipRegex.v6() method with the 'exact' option set to true.

const ipRegex = require('ip-regex');

// Match an exact IPv4 address
const exactMatch = ipRegex.v4({exact: true}).test('192.168.0.1');
console.log(exactMatch);

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Package last updated on 01 Jan 2022

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