NSCharacterSet 0.1 28 February, 2000 NSCharacterSet Foundation/NSCharacterSet.h NSCoding alphanumericCharacterSet characterSetWithBitmapRepresentation:data characterSetWithCharactersInString:aString characterSetWithContentsOfFile:path characterSetWithRange:aRange controlCharacterSet decimalDigitCharacterSet decomposableCharacterSet illegalCharacterSet letterCharacterSet lowercaseLetterCharacterSet nonBaseCharacterSet punctuationCharacterSet uppercaseLetterCharacterSet whitespaceAndNewlineCharacterSet whitespaceCharacterSet bitmapRepresentation characterIsMember:aCharacter invertedSet