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 FileMaker Pro Custom Functions

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antiFilter (textToFilter ; filterAllow ; filterSubChar ; start ; stop ; textBuilt )

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  Average rating: 4.4  (36 votes)
  Discuss this Custom Function

Michael Rauch, ShopWorks
http://www.shopworx.com

replace any character not specified in the allowed list with the substitute character

Sample Input:
code.999-999-9999
Sample Output:
code 999 999 9999


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

Description:

The impetus for the custom function was to have a way to override FileMaker's built in word separators when using LeftWords (and other word evaluation functions). This tail recursive function will build a new string, substituting any non-allowed characters with the substitute character.

A call would look something like this...

Let(
[
textToFilter = TO::someField;
filterAllow = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
]
;
cf_AntiFilter (textToFilter ; filterAllow ; " " ; 1 ; Length (textToFilter) ; "")
)

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:

wouldn't it be shorter to have it:

==============================

Case ( start < ( Length ( textToFilter ) + 1 );
Let([
charToSub = Middle ( textToFilter; start; 1);
textBuilt = Case ( IsEmpty ( Filter ( charToSub; filterAllow )); filterSubChar; charToSub )
];
textBuilt
)
& antiFilter ( textToFilter; filterAllow; filterSubChar; start + 1 )
)

==============================

pixi

pixi, berlin
May 05, 2012 3:09am

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