using uCalcSoftware;

var uc = new uCalc();
var t = uc.NewTransformer();

t.FromTo("begin {body} end",   "bracket not ignored: <{@Self}>");
t.FromTo("begin_ {body^} end", "bracket ignored:     <{@Self}>");

Console.WriteLine(t.Transform("begin (a b c end) end"));
Console.WriteLine(t.Transform("begin_ (a b c end) end"));