Returns a character set containing the characters in Unicode General Category L* & M*.
SDKs
- iOS 7.0+
- macOS 10.9+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
- Xcode 8.0+
Framework
- Foundation
Declaration
static var letters: CharacterType Property
letters
See Also
Getting Standard Character Sets
static var alphanumerics: CharacterReturns a character set containing the characters in Unicode General Categories L*, M*, and N*.
static var capitalizedReturns a character set containing the characters in Unicode General Category Lt.
static var controlReturns a character set containing the characters in Unicode General Category Cc and Cf.
static var decimalReturns a character set containing the characters in the category of Decimal Numbers.
static var decomposables: CharacterReturns a character set containing individual Unicode characters that can also be represented as composed character sequences (such as for letters with accents), by the definition of “standard decomposition” in version 3.2 of the Unicode character encoding standard.
static var illegalReturns a character set containing values in the category of Non-Characters or that have not yet been defined in version 3.2 of the Unicode standard.
static var lowercaseReturns a character set containing the characters in Unicode General Category Ll.
static var newlines: CharacterReturns a character set containing the newline characters (U+000A ~ U+000D, U+0085, U+2028, and U+2029).
static var nonReturns a character set containing the characters in Unicode General Category M*.
static var punctuationReturns a character set containing the characters in Unicode General Category P*.
static var symbols: CharacterReturns a character set containing the characters in Unicode General Category S*.
static var uppercaseReturns a character set containing the characters in Unicode General Category Lu and Lt.
static var whitespaces: CharacterReturns a character set containing the characters in Unicode General Category Zs and CHARACTER TABULATION (U+0009).
static var whitespacesReturns a character set containing characters in Unicode General Category Z*, U+000A ~ U+000D, and U+0085.