# init(_:) Creates a regular expression with a dynamic capture list from the given regular expression. ``` init(_ regex: Regex) ``` ## Parameters `regex` A regular expression to convert to use a dynamic capture list. ## Discussion You can use this initializer to convert a `Regex` with strongly-typed captures into a `Regex` with `AnyRegexOutput` as its output type. --- 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)