using uCalcSoftware;

var uc = new uCalc();
using (var t = new uCalc.Transformer()) {
   // Define a rule to find a key-value pair
   t.FromTo("{@Alphanumeric:key}={@Alphanumeric:val}", "Key: {key}, Value: {val}");

   // Process a simple query string
   Console.WriteLine(t.Transform("user=admin"));
}