Function isIpv4

isIpv4(value: string): boolean
Returns true if the string is a valid IPv4 address.
Parameters
- value: string
  The string to validate.
Returns boolean
Example
```
isIpv4("192.168.1.1")     // => true
isIpv4("255.255.255.255") // => true
isIpv4("256.0.0.1")       // => false
```
- Defined in validation/isIpv4/index.ts:13