# rangeOfComposedCharacterSequences(for:) Returns the range in the string of the composed character sequences for a given range. ``` func rangeOfComposedCharacterSequences(for range: R) -> Range where R : RangeExpression, R.Bound == String.Index ``` --- 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)