using uCalcSoftware;

var uc = new uCalc();
var t = uc.NewTransformer();
t.FromTo("{@String}", "<Any quoted {@Self}>");
t.FromTo("({@Token(String_Singlequoted)})", "<Single quoted {@Self}>");
t.FromTo("({@Token(String_Doublequoted)})", "<Double quoted {@Self}>");

var s = """
"Test" '123' ("abc") ('xyz')
""";
Console.WriteLine(t.Transform(s));