Case-insensitive NSString comparison

Question

Using this code I am able to compare string values.

[elementName isEqualToString: @\"Response\"]

But this compares case-sensitively. Is there a

Answer 1

NSString *string1 = @"stringABC";
NSString *string2 = @"STRINGDEF";
NSComparisonResult result = [string1 caseInsensitiveCompare:string2];

if (result == NSOrderedAscending) {
  NSLog(@"string1 comes before string2");
} else if (result == NSOrderedSame) {
  NSLog(@"We're comparing the same string");
} else if (result == NSOrderedDescending) {
   NSLog(@"string2 comes before string1");
}