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 FileMaker Pro Custom Functions

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FilterASCII ( text ; extended )

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  Average rating: 4.2  (39 votes)
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Michael Horak, *COMMENT Visual Realisation

Removes characters from text, retaining only printable ASCII characters.

Sample Input:
FilterASCII ( "$10 (£8) to Mæstro Hœfler, ©2010 Résumé & Co. <>" ; 0 )

FilterASCII ( "$10 (£8) to Mæstro Hœfler, ©2010 Résumé & Co. <>" ; 1 )
Sample Output:
$10 (8) to Mstro Hfler, 2010 Rsum & Co. <>

$10 (£8) to Mæstro Hfler, ©2010 Résumé & Co. <>

 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


Removes characters from text, retaining only printable characters included in the American Standard Code for Information Interchange (US-ASCII) character set.

The following characters are passed by the filter:
• Horizontal Tab [9];
• Carriage return [13];
• Space [32];
• Characters [33]..[126].

When the extended parameter is True(1), characters in the extended ASCII character set range [128]..[255] are also passed.

This function is NOT recursive.

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


In your second example I notice that the "œ" should be retained under "extended".

Bart Bartholomay, Vero Beach
March 27, 2011 2:57pm

No, it shouldn't. The example is designed to demonstrate the difference between "æ" [230], a member of the extended ASCII charset, and "œ" [339]. The highest code in the set is 255.

comment, VR
March 27, 2011 3:40pm

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