Question

How to sort by numbers a mixed pair of string and number elements in a list with C#

Answer 1

using System;
using System.Collections.Generic;
using System.Linq;

class Program
{
    static int ExtractNumber(string s) {
        int pos = s.LastIndexOf(' ');
        return int.Parse(s.Substring(pos + 1));
    }

    static void Main()
    {
        var lst = new List<string> {
            "Python 4", "C 9", "C++ 5", "C# 6",
            "Java 1", "PHP 7", "Go 2"
        };

        var sorted = lst.OrderBy(s => ExtractNumber(s)).ToList();

        foreach (var item in sorted)
            Console.WriteLine(item);
    }
}



/*
run:

Java 1
Go 2
Python 4
C++ 5
C# 6
PHP 7
C 9

*/

 

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