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NSString ASCII filter

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NSString ASCII filter

Subject: NSString ASCII filter
From: James Hober <email@hidden>
Date: Tue, 12 Feb 2008 11:58:13 -0800

What is the simplest, reasonably efficient way to determine if an NSString contains a non-ASCII character?

What I came up with was:

NSCharacterSet *nonASCII = [[NSCharacterSet characterSetWithRange:NSMakeRange(0, 128)] invertedSet]; NSRange nonASCIIRange = [testString rangeOfCharacterFromSet:nonASCII]; if (nonASCIIRange.location != NSNotFound) { NSLog(@"got a non-ASCII character"); }

Thanks,
James
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