NSCharacterSet

Authors

Richard Frith-Macdonald

Version: $Revision$

Date: $Date$

NSCharacterSet

NSCharacterSet

Declared in: Foundation/NSCharacterSet.h

Inherits from: NSObject

Conforms to: NSCoding

Instance Variables

Methods

• +alphanumericCharacterSet
• +characterSetWithBitmapRepresentation:
• +characterSetWithCharactersInString:
• +characterSetWithContentsOfFile:
• +characterSetWithRange:
• +controlCharacterSet
• +decimalDigitCharacterSet
• +decomposableCharacterSet
• +illegalCharacterSet
• +letterCharacterSet
• +lowercaseLetterCharacterSet
• +nonBaseCharacterSet
• +punctuationCharacterSet
• +uppercaseLetterCharacterSet
• +whitespaceAndNewlineCharacterSet
• +whitespaceCharacterSet
• -bitmapRepresentation
• -characterIsMember:
• -invertedSet

Class Methods

alphanumericCharacterSet

characterSetWithBitmapRepresentation:

Returns a character set containing characters as encoded in the data object.

characterSetWithCharactersInString:

characterSetWithContentsOfFile:

characterSetWithRange:

controlCharacterSet

decimalDigitCharacterSet

Returns a character set containing characters that represent the decimal digits 0 through 9.

decomposableCharacterSet

Returns a character set containing individual charactars that can be represented also by a composed character sequence.

illegalCharacterSet

Returns a character set containing unassigned (illegal) character values.

letterCharacterSet

lowercaseLetterCharacterSet

Returns a character set that contains the lowercase characters. This set does not include caseless characters, only those that have corresponding characters in uppercase and/or titlecase.

nonBaseCharacterSet

punctuationCharacterSet

uppercaseLetterCharacterSet

Returns a character set that contains the uppercase characters. This set does not include caseless characters, only those that have corresponding characters in lowercase and/or titlecase.

whitespaceAndNewlineCharacterSet

Returns a character set that contains the whitespace characters, plus the newline characters, values 0x000A and 0x000D.

whitespaceCharacterSet

Returns a character set that contains the whitespace characters.

Instances Methods

bitmapRepresentation

Returns a bitmap representation of the receiver's character set suitable for archiving or writing to a file, in an NSData object.

characterIsMember:

Returns YES if the receiver contains aCharacter, NO if it does not.

invertedSet

Returns a character set containing only characters that the receiver does not contain.