---
title: "init(_:in:)"
framework: swift
role: symbol
role_heading: Initializer
path: "swift/range/init(_:in:)-75xo3"
---

# init(_:in:)

## Declaration

```swift
init?<R, S>(_ region: R, in string: S) where R : RangeExpression, S : StringProtocol, R.Bound == AttributedString.Index
```