Testing if NSMutableArray contains a string object

Question

I have a NSMutableArray which contains a few NSString objects. How can I test if the array contains a particular string literal?

I tried

Answer 1

You may also use a predicate:

NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF IN %@", theArray];
BOOL result = [predicate evaluateWithObject:theString];