IsHostname Function

Indicates if a value is a Host name and not an IP address.

Pascal

function IsHostname(
    const S: String
): Boolean;

Parameters	Description
S	Value to be examined as a host name.

Boolean - True when the value is not an IP Address.

IsHostname is a Boolean function that indicates if the value in S is a valid host name, but not an IP address in dotted-decimal format.