iOS NSString 替换字符串 - (NSString *)stringByReplacingOccurrencesOfString:(NSString *)target withString:(NSString *)replacement options:(NSStringCompareOptions)options range:(NSRa...

iOS NSValue和NSRange转换,NSValue转NSRange, NSRange转NSValue,NSValue和NSRange转换,猿说编程,

iOS NSString匹配字符串结尾,NSString匹配字符串结尾,NSString hasSuffix,hasSuffix,猿说编程,

Object-C isSubclassOfClass /* 判断是否为对象是否为ClassName或其子类的实例 */ - (BOOL)isSubclassOfClass:(Class)aClass;