// URL that generated this code:
// http://txt2re.com/index-csharp.php3?s=08:Nov:2018%20%22This%20is%20an%20Example!%22&17&18

using System;
using System.Text.RegularExpressions;

namespace ConsoleApplication1
{
  class Program
  {
    static void Main(string[] args)
    {
      string txt="08:Nov:2018 \"This is an Example!\"";

      string re1=".*?";	// Non-greedy match on filler
      string re2="(?:[a-z][a-z0-9_]*)";	// Uninteresting: var
      string re3=".*?";	// Non-greedy match on filler
      string re4="(?:[a-z][a-z0-9_]*)";	// Uninteresting: var
      string re5=".*?";	// Non-greedy match on filler
      string re6="((?:[a-z][a-z0-9_]*))";	// Variable Name 1
      string re7=".*?";	// Non-greedy match on filler
      string re8="((?:[a-z][a-z0-9_]*))";	// Variable Name 2

      Regex r = new Regex(re1+re2+re3+re4+re5+re6+re7+re8,RegexOptions.IgnoreCase|RegexOptions.Singleline);
      Match m = r.Match(txt);
      if (m.Success)
      {
            String var1=m.Groups[1].ToString();
            String var2=m.Groups[2].ToString();
            Console.Write("("+var1.ToString()+")"+"("+var2.ToString()+")"+"\n");
      }
      Console.ReadLine();
    }
  }
}

//-----
// Paste the code into a new Console Application
//-----