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-----Message d'origine-----
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] De la part de Barbara Morris

validChars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ ';
testString = 'A?B';
firstBad = %check(validChars : testString);
// firstBad = 2

Thanks, Barbara! That's so good I almost only need to copy and paste your solution!

Capital letters A-Z might not be sufficient though. What
about valid characters like É and Ç? (E accent egu, C cedille)

That's OK. The screens limit the user to upper case letters and in <correct> French, accents are not used on upper case.

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