static void Main(string[] args)
{
Console.WriteLine("Hello World!");
StreamReader SR = new StreamReader("file.txt");
string inputStr = SR.ReadToEnd();
Console.WriteLine(inputStr);
inputStr = Regex.Replace(inputStr, @" +", " ");
// remove empty lines
// inputStr = Regex.Replace(inputStr, @"\n+", "\n");
Console.WriteLine("------------------------");
Console.WriteLine(inputStr);
Console.WriteLine("------------------------");
Lexical lex = new Lexical();
lex.findTokens(inputStr);
lex.printTokenList();
}