function isIPv4
Usage in Deno
```typescript import { isIPv4 } from "node:node__net.d.ts"; ```
isIPv4(input: string): boolean
Returns `true` if `input` is an IPv4 address in [dot-decimal notation](https://en.wikipedia.org/wiki/Dot-decimal_notation) with no
leading zeroes. Otherwise, returns `false`.
```js
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
```
boolean