From my OS 8 days I thought I’d remembered a function which would - given an ACSII code - tell me if the corresponding character is printable or not. Did this function actually exist? Is there something in Cocoa like it?

– Alex

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Well… I can answer this.

illegalSet = General/[NSCharacterSet illegalCharacterSet] will give you a character set of the illegal characters.

You can then use [illegalSet characterIsMember:uChar] to determine if uChar is illegal. Note this wont tell you if the character exists in a font, but it will always be printable.

Will

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Thanks!

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