+ alphanumericCharacterSet
+ characterSetWithBitmapRepresentation:
+ characterSetWithCharactersInString:
+ characterSetWithContentsOfFile:
+ characterSetWithRange:
+ controlCharacterSet
+ decimalDigitCharacterSet
+ decomposableCharacterSet
+ illegalCharacterSet
+ letterCharacterSet
+ lowercaseLetterCharacterSet
+ nonBaseCharacterSet
+ punctuationCharacterSet
+ uppercaseLetterCharacterSet
+ whitespaceAndNewlineCharacterSet
+ whitespaceCharacterSet

- addCharactersInRange:
- addCharactersInString:
- bitmapRepresentation
- characterIsMember:
- formIntersectionWithCharacterSet:
- formUnionWithCharacterSet:
- invert
- invertedSet
- removeCharactersInRange:
- removeCharactersInString: