using System;

​

public class Program

{

    public static bool evalArr(char[] charArr)

    {

        int i = 0;

        int len = charArr.Length - 1;

        bool dotFound = false;

        bool eFound = false;

        while (i < len)

        {

            //          Console.WriteLine(dotFound);

            if (Char.IsDigit(charArr[i]) || charArr[i] == '.' && !dotFound || charArr[i] == 'e' && !eFound || charArr[i] == 'E' && !eFound)

            {

                if (charArr[i] == '.')

                    dotFound = true;

                if (charArr[i] == 'e' || charArr[i] == 'E')

                    eFound = true;

                    dotFound = true;

            //              if(charArr[i] == 'E') eFound = true;

            }

            else

            {

                Console.WriteLine("Finished False");

                return false;

            }

​

            //          Console.WriteLine(charArr[i]);

            i = i + 1;

        }

​

        Console.WriteLine("Finished True");

        return true;

    }

​

    public static void Main()

    {

        string someString = "1234560e6";

        bool numericSafe = evalArr(someString.ToCharArray());

        if(numericSafe) {

            Console.WriteLine(Convert.ToDouble(someString)) ; 

        }

    }

}