# init(as:_:) Creates a capture for the given component using the specified reference. ``` init(as reference: Reference, @RegexComponentBuilder _ componentBuilder: () -> some RegexComponent) where Output == (Substring, W, C1, C2, C3, C4, C5, C6, C7, C8) ``` ## Parameters `reference` The reference to use for anything captured by `component`. `componentBuilder` A builder closure that generates a regex component to capture. --- 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)