waku-org/go-waku

package utils

import (
    "net"
    "strings"
)

// IsIPv4 validates if string is a valid IPV4 address
func IsIPv4(str string) bool {
    ip := net.ParseIP(str).To4()
    return ip != nil
}

// IsIPv6 validates if string is a valid IPV6 address
func IsIPv6(str string) bool {
    ip := net.ParseIP(str)
    return ip != nil && strings.Contains(str, ":")
}