c# switch case multiple expression code example

Example 1: switch expression c# multiple cases

var switchValue = 3;
var resultText = switchValue switch
{
    1 or 2 or 3 => "one, two, or three",
    4 => "four",
    5 => "five",
    _ => "unknown",
};

Example 2: multi case in c#

switch (value)
{
   case var s when new[] { 1,2,3 }.Contains(s):
      // Do something
      break;
   case var s when new[] { 4,5,6 }.Contains(s):
      // Do something
      break;
   default:
      // Do the default
      break;
}