---
title: "init(charactersIn:)"
framework: foundation
role: symbol
role_heading: Initializer
path: "foundation/characterset/init(charactersin:)-87m2b"
---

# init(charactersIn:)

Initialize with the characters in the given string.

## Declaration

```swift
init(charactersIn string: String)
```

## Parameters

- `string`: The string content to inspect for characters.