Indicates if the string contains a valid IP address.
function IsIP(
AIP: string
): Boolean;|
Parameters |
Description |
|
AIP |
Values to be checked for a valid IP address. |
Boolean - True when a valid IP address is present.
IsIP is a Boolean function used to indicate when the IP address in AIP contains a valid IP address expressed in numeric dotted-decimal form.
IsIP will return True when the value in AIP contains four byte values (each byte in the range 0 to 255) separated by the '.' delimiter.
For example:
|
Value Result |
|
-------------- -------------------------------------------------
|
|
0.0.0.0 True |
|
255.255.255.255 True |
|
127.0.0.1 True |
|
256.0.0.0 False (The first byte is an invalid value). |
|
127.0.1 False (Not enough values to represent the 32-bit network address). |
|
Internet Direct (Indy) version 10.1.5
Copyright © 1993-2006, Chad Z. Hower (aka Kudzu) and the Indy Pit Crew. All rights reserved. Website http://www.indyproject.org. Post feedback to the Indy Documentation newsgroup. |
Parameters