Indicates if an argument contains a valid IP address.

function IsValidIP(const S: String): Boolean;

Value to be examined.

Boolean - True when a dotted-decimal IP address is detected.

IsValidIP is a Boolean function that indicates if the S argument contains a valid IP address in dotted-decimal form. IsValidIP returns True when the string contains 4 decimal segments, each having a value in the range 0 to 255. For example: