Search NSArray for value matching value

Question

I have an NSArray of objects, which has a particular property called name (type NSString).
I have a second NSArray of NSStrings which are

Answer 1

The methods most helpful will be:

filteredArrayUsingPredicate:

and

indexesOfObjectsPassingTest:

The second one uses a code block, not available on iOS before 4.0

Both of these will be more efficient than iterating directly.

There's a good example here: http://developer.apple.com/library/ios/#documentation/cocoa/Conceptual/Blocks/Articles/bxUsing.html