/**
* Checks IP v6 address
*
* @param String ipAddress
* @param String regex
* @return boolean true when it is valid IPv6 or false when it is not
*/
public static boolean checkIPv6(String ipAddress, String regex) {
// check whether a custom regular expression is given
if (regex != null && !regex.isEmpty()) {
return ipAddress.matches(regex);
}
// Lazily load the address pattern and validate the ipAddress
Validation.populateIp();
return ipAddress.matches(Validation.$_patterns.get("IPv6"));
}
