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 FileMaker Pro Custom Functions

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ProprDName ( _NameFld ; _Cntr )

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  Average rating: 4.6  (30 votes)
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DikkeHenk, DHTVBV

Calculates proper Dutch name

Sample Input:
ProprDName ( "maarten 't hart , 1 )
Sample Output:
Maarten 't Hart

 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


Custom function to calculate a proper Dutch name. In the Netherlands middlenames often have 'van 't' or 'van d'r'. And there are also a lot of double first names like 'Henk-Jan' or 'Jan-Willem'. In order to input the name in a proper way to prevent future problems I wrote this recursive function.

If exeptional names have to be entered you can write the '!' character in front of the name and it will be untouched.

Static parameters '_NamSrc' and '_Antl' are placed inside the function but can be placed outside as function parameters. In this way the function becomes even smaller and faster.

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

This is my Custom Function and I want to edit it


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