---
title: "init(_:in:)"
framework: swift
role: symbol
role_heading: Initializer
path: "swift/range/init(_:in:)-612lr"
---

# init(_:in:)

## Declaration

```swift
init?<R, S>(_ region: R, in attributedString: S) where R : RangeExpression, S : AttributedStringProtocol, R.Bound == String.Index
```