# replaceSelection(_:withCharacters:) Replace the selection with new content, attributed with the typing attributes. ``` mutating func replaceSelection(_ selection: inout AttributedTextSelection, withCharacters newContent: some Collection) ``` ## Discussion Operates just like [`replaceSelection(_:with:)`](/documentation/Foundation/AttributedString/replaceSelection(_:with:)), but applies the typing attributes to the new content before inserting it. --- 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)