NSCharacterSet

• (NSCharacterSet *)controlCharacterSet; //控制符
  • (NSCharacterSet *)whitespaceCharacterSet; //空格
  • (NSCharacterSet *)whitespaceAndNewlineCharacterSet;//首位空格
  • (NSCharacterSet *)decimalDigitCharacterSet; //小数
  • (NSCharacterSet *)letterCharacterSet; //文字
  • (NSCharacterSet *)lowercaseLetterCharacterSet; //小写字母
  • (NSCharacterSet *)uppercaseLetterCharacterSet; //大写字母
  • (NSCharacterSet *)nonBaseCharacterSet; //非基础
  • (NSCharacterSet *)alphanumericCharacterSet; //字母数字
  • (NSCharacterSet *)decomposableCharacterSet; //可分解
  • (NSCharacterSet *)illegalCharacterSet; //非法
  • (NSCharacterSet *)punctuationCharacterSet; //标点
  • (NSCharacterSet *)capitalizedLetterCharacterSet; //大写
  • (NSCharacterSet *)symbolCharacterSet; //符号
  • (NSCharacterSet *)newlineCharacterSet NS_AVAILABLE(10_5, 2_0);//换行符

</a>
+ (NSCharacterSet *)characterSetWithRange:(NSRange)aRange;
+ (NSCharacterSet *)characterSetWithCharactersInString:(NSString *)aString;
+ (NSCharacterSet *)characterSetWithBitmapRepresentation:(NSData *)data;
+ (NSCharacterSet *)characterSetWithContentsOfFile:(NSString *)fName;

- (instancetype) initWithCoder:(NSCoder *)aDecoder NS_DESIGNATED_INITIALIZER;

- (BOOL)characterIsMember:(unichar)aCharacter;
@property (readonly, copy) NSData *bitmapRepresentation;
@property (readonly, copy) NSCharacterSet *invertedSet;

- (BOOL)longCharacterIsMember:(UTF32Char)theLongChar;

- (BOOL)isSupersetOfSet:(NSCharacterSet *)theOtherSet;
- (BOOL)hasMemberInPlane:(uint8_t)thePlane;