---
title: isASCII
framework: swift
role: symbol
role_heading: Instance Property
path: swift/character/isascii
---

# isASCII

A Boolean value indicating whether this is an ASCII character.

## Declaration

```swift
var isASCII: Bool { get }
```

## See Also

### Working with a Character’s Unicode Values

- [init(_:)](swift/character/init(_:)-8hq6x.md)
- [unicodeScalars](swift/character/unicodescalars.md)
- [Character.UnicodeScalarView](swift/character/unicodescalarview.md)
- [asciiValue](swift/character/asciivalue.md)