using System;

using System.Text.Json;

using System.Text.RegularExpressions;

​

public class Program

{

    public static void Main()

    {

        var pepf = new

        {

            text = "This is a json",

            number = 15,

            number2 = 100,

            text2 = "Pepf",

            stringabc = "String ABC",

            abcxyz = "ABC XYZ",

            last = "Philipp Hochsteger"

        };

        string json = JsonSerializer.Serialize(pepf);

        Console.WriteLine(json);

    }

}