using System;

using System.Text.RegularExpressions;

​

public class Program

{

    public static void Main()

    {

        var test1 = "Universidad de M\\u00e1laga";  

        var test2 = System.Text.RegularExpressions.Regex.Unescape(test1);

        Console.WriteLine(test1);

        Console.WriteLine(test2);

    }

}