我如何找出两个琴弦之间的区别 [英] how can i find out the difference between two strings

问题描述

亲爱的所有人，

我有两个字符串，我想得到两个字符串的内容之间的区别?
例如，

Dear all,

I have two strings, I want to get difference between contents of two strings??
for example,

string one ="a,b,c,d,e";
string two ="b,e";

现在我想要两个字符串之间的区别为"a，c，d"

谢谢所有受尊敬的程序员.

now i want difference between two strings as "a,c,d"

Thank you all the respected programmers.

推荐答案

我认为IEnumerable，Split 和Join 方法的Except 扩展方法可以按以下方式使用以达到所需的结果.

I think the Except extension method of IEnumerable, Split and Join methods of string class can be used as follows to achieve the desired result.

string one ="a,b,c,d,e";
string two ="b,e";
string except = string.Join(",",one.Split(',').Except(two.Split(',')).ToArray());
Console.WriteLine (except);

//Output
//a,c,d

以下内容可能对您有帮助，

Following might help you,

using System;
using System.Linq;

namespace ConsoleApplication1
{
    class MyClass
    {
        static void Main(string[] args)
        {
            string separator =",";
            Console.WriteLine(Intersect("a,b,c,d,e", "b,e", separator));
        }

        private static string Intersect(string item1, string item2, string separator)
        {
            return string.Join(separator, item1.Where(item => !item2.Contains(item)));
        }
    }
}

上面的程序将产生以下输出，

The above program will produce the following output,

a,c,d
Press any key to continue . . .

请参阅下面的更多参考文献:

• String.Join [字符串.包含 [如何在C#中工作? -第3部分(详细介绍了C#Linq) [

  
  
  Please see below for further Ref:
  

  
  
  • String.Join[^]
    
  • String.Contains[^]
    
  • How does it work in C#? - Part 3 (C# Linq in detail)[^]
    

  
  

  String result = nullstring
  For each character in string2
      If character not in string1
          result += character
      End if
  End For
  Display result

  
  

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