using uCalcSoftware;

var uc = new uCalc();
using (var url = new uCalc.String("http://example.com")) {
   Console.WriteLine($"Original URL: {url}");
   // Get a view of the scheme part
   var schemeView = url.Before("://");
   // Modify the view
   schemeView.Replace("http", "https");
   // The original string is updated
   Console.WriteLine($"Modified URL: {url}");
}