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How to get the substring between two substrings in C#

1 Answer

0 votes
using System;

public class SubstringBetweenTwoSubstrings_CSharp
{
    public static string SubstringBetweenTwoSubstrings(string str, string suba, string subb) {
        int posA = str.IndexOf(suba);
        int posB = str.LastIndexOf(subb);

        if (posA == -1)
            return "";

        if (posB == -1)
            return "";

        int IndexEndSuba = posA + suba.Length;
        if (IndexEndSuba >= posB)
            return "";

        return str.Substring(IndexEndSuba, posB - IndexEndSuba);
    }

    public static void Main()
    {
        string str = "C#:C C++:Java:Python";

        Console.WriteLine(SubstringBetweenTwoSubstrings(str, "C#", "Java"));
    }
}


 
/*
run:
       
:C C++:
 
*/

 



answered Aug 2, 2024 by avibootz
edited Aug 2, 2024 by avibootz

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