Topic Path: Symbol Reference > Functions > IsValidIP Function
IsValidIP Function

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: 

  • "" returns True.
  • "" returns False.

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