---
title: CFCharacterSetPredefinedSet.decimalDigit
framework: corefoundation
role: symbol
role_heading: Case
path: corefoundation/cfcharactersetpredefinedset/decimaldigit
---

# CFCharacterSetPredefinedSet.decimalDigit

Decimal digit character set.

## Declaration

```swift
case decimalDigit
```

## See Also

### Enumeration Cases

- [CFCharacterSetPredefinedSet.alphaNumeric](corefoundation/cfcharactersetpredefinedset/alphanumeric.md)
- [CFCharacterSetPredefinedSet.capitalizedLetter](corefoundation/cfcharactersetpredefinedset/capitalizedletter.md)
- [CFCharacterSetPredefinedSet.control](corefoundation/cfcharactersetpredefinedset/control.md)
- [CFCharacterSetPredefinedSet.decomposable](corefoundation/cfcharactersetpredefinedset/decomposable.md)
- [CFCharacterSetPredefinedSet.illegal](corefoundation/cfcharactersetpredefinedset/illegal.md)
- [CFCharacterSetPredefinedSet.letter](corefoundation/cfcharactersetpredefinedset/letter.md)
- [CFCharacterSetPredefinedSet.lowercaseLetter](corefoundation/cfcharactersetpredefinedset/lowercaseletter.md)
- [CFCharacterSetPredefinedSet.newline](corefoundation/cfcharactersetpredefinedset/newline.md)
- [CFCharacterSetPredefinedSet.nonBase](corefoundation/cfcharactersetpredefinedset/nonbase.md)
- [CFCharacterSetPredefinedSet.punctuation](corefoundation/cfcharactersetpredefinedset/punctuation.md)
- [CFCharacterSetPredefinedSet.symbol](corefoundation/cfcharactersetpredefinedset/symbol.md)
- [CFCharacterSetPredefinedSet.uppercaseLetter](corefoundation/cfcharactersetpredefinedset/uppercaseletter.md)
- [CFCharacterSetPredefinedSet.whitespace](corefoundation/cfcharactersetpredefinedset/whitespace.md)
- [CFCharacterSetPredefinedSet.whitespaceAndNewline](corefoundation/cfcharactersetpredefinedset/whitespaceandnewline.md)