将两个字符串与逗号分隔值进行比较 [英] comparing two strings with comma seperated values

问题描述

有什么方法可以比较两个有逗号分隔值的字符串？

清楚的说明：

  string S1 =a，b，c，d，e
 string S2 =c，d
 string S3 =a，b ，e//其中通过从S1减去S2得到的字符串S3（S1-S2）
  

Is它可以用一些功能来做到这一点？

解决方案

如果我得到你想要的东西，你想得到的元素，

以下是我的操作方式：

1. 拆分 c>


2. 将结果存储在两个集合中（ std ::例如 c c
计算这两个集合的差异（例如，使用 std :: set_difference ）

3. 使用，

将每个元素粘贴到一起， ol>


Is there any way by which we can compare two strings having comma seperates values?

To make it clear:

string S1 = "a,b,c,d,e"
string S2 = "c,d"
string S3 = "a,b,e"          //where string S3 is got by subtracting S2 from S1 (S1 - S2)

Is it possible to do this with some function?

解决方案

If I got what you want right, you want to get the elements that are not in both strings.

Here's how I would do it:

1. Split both a and b using , as a separator.
2. Store the result in two sets (std::set for instance)
3. Compute the difference of these two sets (for example, using std::set_difference)
4. Convert the resulting set to a string by gluing each element together using ,

这篇关于将两个字符串与逗号分隔值进行比较的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！