iOS NSString拼接字符串,NSString拼接字符串,NSString stringByAppendingString,NSString stringWithFormat,猿说编程,

iOS NSString截取字符串,NSString截取字符串,iOS截取字符串,ios substringWithRange,iossubstringFromIndex,

iOS NSString 和 bool 相互转换 NSString *str1 = @'YES'; NSString *str2 = @'NO'; //ok NSLog(@'str1 = %d str2 = %d',[str1 boolValue],[str2 boolValue]); BOOL a = YES; BOOL b = NO; NSSt...

iOS NSString插入字符串,NSString插入字符串,NSString stringByReplacingOccurrencesOfString,NSString stringByAppendingString,NSString stringByReplacingCharactersInRange,

iOS NSString查找指定字符串出现的次数,NSString查找指定字符串,NSString查找指定字符串出现的次数,NSString查找字符串出现的次数,NSString查找字符串次数,

iOS NSString获取字符串长度,NSString获取字符串长度,NSString lengthOfBytesUsingEncoding, NSString length,NSString计算中文长度,

iOS NSString删除字符串,NSString删除字符串,NSString stringByReplacingOccurrencesOfString,NSString deleteCharactersInRange,NSString ,