using uCalcSoftware;

var uc = new uCalc();
var t = new uCalc.Transformer();
var taskList = "Task:1 Task:2 Task:3 Task:4 Task:5";
t.Text = taskList;

var taskRule = t.FromTo("Task:{@Number:id}", "Processed Task {id}");

// Skip the first two tasks in the list
taskRule.StartAfter = 2;

Console.WriteLine(t.Transform());