2015-10-26-things-i-always-have-to-google_005.cs

[Flags] enum Colors
{
  None = 0,
  Red = 1,
  Green = 2,
  Blue = 4
};

public class Example 
{
 public static void Main() 
 {
  string[] colorStrings = 
  {
   "0",
   "2",
   "8",
   "blue",
   "Blue",
   "Yellow",
   "Red, Green"
  };

  foreach(string colorString in colorStrings) 
  {
    try 
    {
      Colors colorValue = (Colors) Enum.Parse(typeof(Colors), colorString);

      if (Enum.IsDefined(typeof(Colors), colorValue) | colorValue.ToString().Contains(","))
        Console.WriteLine("Converted '{0}' to {1}.", colorString, colorValue.ToString());
      else
        Console.WriteLine("{0} is not an underlying value of the Colors enumeration.", colorString);
    }
    catch (ArgumentException)
    {
      Console.WriteLine("'{0}' is not a member of the Colors enumeration.", colorString);
    }
  }
 }
}