using uCalcSoftware;

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

// When a variable is used multiple times in a pattern,
// such as {tag} in this case, the matching text must be the same

t.FromTo("<{tag}> {words:2} {more} </{tag}>",
"tag={tag}, 2 words={words}, text={more}");

Console.WriteLine(t.Transform("<div>abc xyz more words<b>bold</b></div>").Text);