# caseInsensitiveCompare(_:) Returns the result of invoking `compare:options:` with `NSCaseInsensitiveSearch` as the only option. ``` func caseInsensitiveCompare(_ aString: T) -> ComparisonResult where T : StringProtocol ``` --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)