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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.


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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