# localizedStandardContains(_:) Returns a Boolean value indicating whether the string contains the given string, taking the current locale into account. ``` func localizedStandardContains(_ string: T) -> Bool where T : StringProtocol ``` ## Discussion This is the most appropriate method for doing user-level string searches, similar to how searches are done generally in the system. The search is locale-aware, case and diacritic insensitive. The exact list of search options applied may change over time. --- 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)