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isIPv4 - net - Node documentation
function isIPv4

Usage in Deno

import { isIPv4 } from "node:net";
isIPv4(input: string): boolean

Returns true if input is an IPv4 address in dot-decimal notation with no leading zeroes. Otherwise, returns false.

net.isIPv4('127.0.0.1'); // returns true
net.isIPv4('127.000.000.001'); // returns false
net.isIPv4('127.0.0.1/24'); // returns false
net.isIPv4('fhqwhgads'); // returns false

Parameters

input: string

Return Type

boolean