---
title: CFStringBuiltInEncodings.ASCII
framework: corefoundation
role: symbol
role_heading: Case
path: corefoundation/cfstringbuiltinencodings/ascii
---

# CFStringBuiltInEncodings.ASCII

An encoding constant that identifies the ASCII encoding (decimal values 0 through 127).

## Declaration

```swift
case ASCII
```

## See Also

### Constants

- [CFStringBuiltInEncodings.macRoman](corefoundation/cfstringbuiltinencodings/macroman.md)
- [CFStringBuiltInEncodings.windowsLatin1](corefoundation/cfstringbuiltinencodings/windowslatin1.md)
- [CFStringBuiltInEncodings.isoLatin1](corefoundation/cfstringbuiltinencodings/isolatin1.md)
- [CFStringBuiltInEncodings.nextStepLatin](corefoundation/cfstringbuiltinencodings/nextsteplatin.md)
- [CFStringBuiltInEncodings.unicode](corefoundation/cfstringbuiltinencodings/unicode.md)
- [CFStringBuiltInEncodings.UTF8](corefoundation/cfstringbuiltinencodings/utf8.md)
- [CFStringBuiltInEncodings.nonLossyASCII](corefoundation/cfstringbuiltinencodings/nonlossyascii.md)
- [UTF16](corefoundation/cfstringbuiltinencodings/utf16.md)
- [CFStringBuiltInEncodings.UTF16BE](corefoundation/cfstringbuiltinencodings/utf16be.md)
- [CFStringBuiltInEncodings.UTF16LE](corefoundation/cfstringbuiltinencodings/utf16le.md)
- [CFStringBuiltInEncodings.UTF32](corefoundation/cfstringbuiltinencodings/utf32.md)
- [CFStringBuiltInEncodings.UTF32BE](corefoundation/cfstringbuiltinencodings/utf32be.md)
- [CFStringBuiltInEncodings.UTF32LE](corefoundation/cfstringbuiltinencodings/utf32le.md)