---
title: whitespace()
framework: foundation
role: symbol
role_heading: Type Method
path: foundation/nsmutablecharacterset/whitespace()
---

# whitespace()

Returns a character set containing the characters in Unicode General Category Zs and CHARACTER TABULATION (U+0009).

## Declaration

```swift
class func whitespace() -> NSMutableCharacterSet
```

## See Also

### Getting Standard Character Sets

- [alphanumeric()](foundation/nsmutablecharacterset/alphanumeric().md)
- [capitalizedLetter()](foundation/nsmutablecharacterset/capitalizedletter().md)
- [control()](foundation/nsmutablecharacterset/control().md)
- [decimalDigit()](foundation/nsmutablecharacterset/decimaldigit().md)
- [decomposable()](foundation/nsmutablecharacterset/decomposable().md)
- [illegal()](foundation/nsmutablecharacterset/illegal().md)
- [letter()](foundation/nsmutablecharacterset/letter().md)
- [lowercaseLetter()](foundation/nsmutablecharacterset/lowercaseletter().md)
- [newline()](foundation/nsmutablecharacterset/newline().md)
- [nonBase()](foundation/nsmutablecharacterset/nonbase().md)
- [punctuation()](foundation/nsmutablecharacterset/punctuation().md)
- [symbol()](foundation/nsmutablecharacterset/symbol().md)
- [uppercaseLetter()](foundation/nsmutablecharacterset/uppercaseletter().md)
- [whitespaceAndNewline()](foundation/nsmutablecharacterset/whitespaceandnewline().md)