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 FileMaker Pro Custom Functions

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IsIP ( IP )

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  Average rating: 4.2  (32 votes)
  Discuss this Custom Function

Hartger Visser, Teuker Small Business Solutions
http://www.teuker.nl

Checks if string entered is an IP address, returns true or false

Sample Input:
IsIP (192.168.1.1)
Sample Output:
true


 Then copy & paste into FileMaker Advanced's Edit Custom Function window.

Click here to copy To Clip Manager if you have myFMbutler's Clip Manager installed

Description:

Checks wether the values between the "." are between 0 and 255 (including zero, excluding 255).
Also checks if there are 3 periods in the tring.

Note: these functions are not guaranteed or supported by BrianDunning.com. Please contact the individual developer with any questions or problems.

This is my Custom Function and I want to edit it

Discuss:

I'm not sure this function works. The parsing of the 3rd argument is not correct and should be

GetAsNumber ( Middle ( $IP ; Position ( $IP ; "." ; 1 ; 2 ) + 1 ; Position ( $IP ; "." ; 1 ; 3 ) - Position ( $IP ; "." ; 1 ; 2 ) -1 ) )

Tim Cimbura, Minneapolis, MN
April 29, 2011 2:16pm

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