Question about NSScanner usage

[Frederic]

Hi,

Is it normal that the following code runs into a cpu loop
indefinitively?
I would except to find 3 "a" ...

NSString* str = @"a a a";
NSScanner* scanner = [NSScanner scannerWithString:str];
NSCharacterSet *set = [NSCharacterSet
characterSetWithCharactersInString:@"a"];
while ([scanner isAtEnd] == NO)
{
        if ([scanner scanUpToCharactersFromSet:set intoString:nil])
        {
                NSLog( @"found a" );
        }
}


Regards, Frederic