lxfRegex lxf = new lxfRegex(txtregex.Text);


            StringBuilder sb = new StringBuilder();
            sb.AppendLine("括号结果");

            foreach (MatchUnit mu in lxf.Matches(txtSrc.Text))
            {
                sb.AppendLine("Match匹配" + ind++);
                int i = 0;
                for (int j = 0; j < mu.Groups.Count; j++)
                {
                    sb.AppendLine("Group" + j + mu.Groups[j].Value);

                    foreach (CaptureUnit t in mu.Groups[j].Captures)
                    {
                        sb.Append(" Capture" + i);
                        sb.Append(" Index:" + t.Index + " Length:" + t.Length);
                        sb.Append(" = " + t.Value);
                        sb.AppendLine();
                        i++;
                    }
                }
            }
            this.txtMatch.Text = sb.ToString();

演示位置:
http://www.iyuyan.com/regex爱语言
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