LegacyMode

public bool LegacyMode { get; set; }

Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);

builder.Write("Jason gave money to Paul.");

Regex regex = new Regex(@"([A-z]+) gave money to ([A-z]+)");

FindReplaceOptions options = new FindReplaceOptions();
options.UseSubstitutions = true;

// استخدام الوضع القديم لا يدعم العديد من الميزات المتقدمة، لذا نحتاج إلى ضبطه على "خطأ".
options.LegacyMode = false;

doc.Range.Replace(regex, @"$2 took money from $1", options);

Assert.AreEqual(doc.GetText(), "Paul took money from Jason.\f");