====================<box>===========================
		private void WashTelNumList() 
		{
			//用陣列儲存要測試的資料
			string[] aryTelNum={"02-23939889","(02)23939889","02 23939889","0933123123","0933-123-123"};
			for (int i=0; i<aryTelNum.Length; i++) 
			{
				MessageBox.Show(ParsePhoneNum(aryTelNum[i]));
			}
		}

		//解析電話號碼, 前面加上M表行動, C表市話, U表無法識別
		private string ParsePhoneNum(string PhoneNumber) 
		{
			bool bMobil=true, bCityLine=true;
			//09x開頭, 且10碼數字表示為行動
			//先去除-及任何空白符號
			string sMobilTest=PhoneNumber.Replace("-","");
			sMobilTest=sMobilTest.Replace(" ","");
			//檢查是否為10碼數字, 且前二碼為09
			if (sMobilTest.Length!=10) bMobil=false;
			//在Reference中加上Visual Basic .NET Runtime, C#也可以用VB的函數, 夠酷吧!!
			if (bMobil && !Microsoft.VisualBasic.Information.IsNumeric(sMobilTest)) bMobil=false;
			if (sMobilTest.Substring(0,2) != "09") bMobil=false;
			if (bMobil) return "M"+sMobilTest;

			//檢查是否為含區域號碼的市話號碼?
			string sCLTest=PhoneNumber.Trim(); //去頭尾空白
			string sZonePart=""; //區碼部分
			string sPhonePart=""; //電話號碼部分
			//先排除以空白分隔區碼及電話的情形
			if (sCLTest.IndexOf(" ")==2 || sCLTest.IndexOf(" ")==3) 
			{
				int i=sCLTest.IndexOf(" ");
				sZonePart=sCLTest.Substring(0,i);
				sPhonePart=sCLTest.Substring(i+1);
			} 
			else 
			{
				//檢查是否有)或-? 
				if (sCLTest.IndexOf("-")>0 || sCLTest.IndexOf(")")>0) 
				{
					//取出區域碼
					int i=sCLTest.IndexOf(")");
					if (i>0) 
					{ 
						//取出)之前的部分並去掉(
						sZonePart=sCLTest.Substring(0,i).Replace("(","");
						sPhonePart=sCLTest.Substring(i+1);
					} 
					else //使用-分隔區碼與電話碼的情形
					{
						i=sCLTest.IndexOf("-");
						sZonePart=sCLTest.Substring(0,i);
						sPhonePart=sCLTest.Substring(i+1);
					}
				}
			}
			sZonePart=sZonePart.Trim(); //區域去空白
			sPhonePart=sPhonePart.Replace(" ",""); //電話號碼部分去除空白及-
			sPhonePart=sPhonePart.Replace("-","");
			//檢查區碼是否為2-3碼純數字且第一碼為0
			if (sZonePart.Length<2 || sZonePart.Length>3 || sZonePart.Substring(0,1)!="0" || !Microsoft.VisualBasic.Information.IsNumeric(sZonePart)) bCityLine=false;
			//檢查電話號碼部分是否為8或7碼純數字
			if (sPhonePart.Length<7 || sPhonePart.Length>8 || !Microsoft.VisualBasic.Information.IsNumeric(sPhonePart)) bCityLine=false;
			if (bCityLine) return "C("+sZonePart+")"+sPhonePart;
			return "U"+sCLTest;
			
		}
================<end>===============================



     ==================<box>==========================
		private void WashTelNumList() 
		{
			//用陣列儲存要測試的資料
			string[] aryTelNum={"02-23939889","(02)23939889","02 23939889","0933123123","0933-123-123"};
			for (int i=0; i<aryTelNum.Length; i++) 
			{
				MessageBox.Show(ParsePhoneNumRegEx(aryTelNum[i]));
			}
		}

		//解析電話號碼, 前面加上M表行動, C表市話, U表無法識別
		private string ParsePhoneNumRegEx(string PhoneNumber) 
		{
			//使用Regex前要記得using System.Text.RegularExpressions
			if (Regex.Match(PhoneNumber, @"09\d\d-?\d{3}-?\d{3}").Success) 
			{
				if (PhoneNumber.Replace("-","").Length != 10) return "U"+PhoneNumber;
				return Regex.Replace(PhoneNumber, @"09(?<p1>\d\d)-?(?<p2>\d{3})-?(?<p3>\d{3})", "M09${p1}${p2}${p3}");
			}
			if (Regex.Match(PhoneNumber, @"[(]*\d{2,3}[-)\s]\d{2,4}-?\d{4}").Success) 
			{
				string sTemp=Regex.Replace(PhoneNumber, @"[(]*(?<zone>\d{2,3})[-)\s](?<p1>\d{2,4})-?(?<p2>\d{4})", "(${zone})${p1}${p2}");
				if (!Regex.Match(sTemp, @"[(]\d{2,3}[)]\d{7,8}").Success) 
					return "U"+sTemp; 
				else 
					return "C"+sTemp;
			}
			return "U"+PhoneNumber;
		}
     ====================<end>==============================


=====================================<box>===================
		private void GroupSample() 
		{
			string sSource="台北市110東興路59號6F";
			//利用(?<groupname>pattern)的語法, 將比對結果分組
			Match match=Regex.Match(sSource,@"(?<city>\D+?)(?<zipcode>\d{3})(?<addr>.+)");
			if (match.Success) 
			{
				MessageBox.Show("縣市="+match.Groups["city"].ToString());
				MessageBox.Show("郵遞區號="+match.Groups["zipcode"].ToString());
				MessageBox.Show("地址="+match.Groups["addr"].ToString());
			}
		}
=========================<end>===========================



=================================<box>===========================
		//分群擷取功能測試
		private void GroupTest() 
		{
			string sSource=" Jeffrey, 1997/4/1, 0800956956  Sharon, 2001/11/4, 0933123123  Ryan 1999/12/31 (02)87682688";
			foreach (Match match in Regex.Matches(sSource,@"(?<name>[^ ,]+)[ ,]+(?<date>[0-9/]+)[ ,]+(?<tel>[0-9()]+)")) 
			{
				//將結果輸出在Debug的輸出視窗中
				System.Diagnostics.Debug.WriteLine("Name=" + match.Groups["name"].ToString() + " Date="+match.Groups["date"].ToString() + " TelNo=" + match.Groups["tel"].ToString());
			}
		}
================================<end>==============================


　　======================<box>======================
		private ArrayList aryLinks=new ArrayList();
		private string BaseURL="";		

… Windows Forms固定程式碼部分省略 …

private void btnOK_Click(object sender, System.EventArgs e)
		{
			//取出http：//.../ 的部分作為BaseURL
			try 
			{
				BaseURL=Regex.Match(txtURL.Text, "(?i)(?<baseurl>http：//[^/]+?/)").Groups["baseurl"].ToString();
			} 
			catch 
			{
				MessageBox.Show("起始網頁之URL格式應為http：//www.xxx.com/!");
				return;
			}
			const string ROOT="起始網頁";
			treeView1.Nodes.Clear();
			TreeNode RootNode=new TreeNode(ROOT);
			treeView1.Nodes.Add(RootNode);
			AnalyzeHyperlink(txtURL.Text,RootNode);
		}

		//此一函數可被遞迴呼叫
		private void AnalyzeHyperlink(string URL,TreeNode ParentNode) 
		{
			if (URL.Substring(0,1)=="/") //絕對路徑由BaseURL起算
			{ 
				URL=BaseURL+URL;
			} 
			else if (URL.IndexOf("：")<0) //排除mailto： http： ftp： javascript： ..., 其餘採相對路徑, 由Parent的所在位址起算
			{
				URL=Regex.Match(ParentNode.Text, "(?i)(?<baseurl>http：//.+/)").Groups["baseurl"].ToString()+URL;
			}
			string HTMLCode="";
			if (URL.Substring(0,5).ToLower()=="http：") 
			{
				HTMLCode=SketchWebPage(URL);
				if (HTMLCode=="FAILED") URL="(X)"+URL; //若無法取回網頁則在Text上標註(X)
			} 
			else //非HTTP連結標註(?)
			{
				URL="(?)"+URL;
			}
			TreeNode NowNode=new TreeNode(URL);
			ParentNode.Nodes.Add(NowNode);
			foreach (Match match in Regex.Matches(HTMLCode, "(?i)[<](?<tag>\\w+)\\s[^>]*?(?<name>src|href)=['\"](?<url>.+?)[\"'].*?[>]"))
			{
				string HTMLTag=match.Groups["tag"].ToString().ToUpper();
				if (!(HTMLTag=="A" || HTMLTag=="FRAME")) continue; //只限定FRAME與A Tag, 可視需要增刪
				string Hyperlink=match.Groups["url"].ToString();
				if (Regex.IsMatch(Hyperlink,"(?i)http：//")) continue; //超連至其他網站者不處理
				if (aryLinks.Contains(Hyperlink)) continue; //已處理過的就跳過
				aryLinks.Add(Hyperlink);
				AnalyzeHyperlink(Hyperlink,NowNode);
				treeView1.Update();
			}

		}

		//不錯用的函數, 給URL就傳回網頁內容
		private string SketchWebPage(string URL) 
		{
			HttpWebRequest reqPage=(HttpWebRequest) WebRequest.Create(URL);
			try 
			{
				HttpWebResponse rspPage=(HttpWebResponse) reqPage.GetResponse();
				Stream stmPage=rspPage.GetResponseStream();
				StreamReader srPage=new StreamReader(stmPage,System.Text.Encoding.GetEncoding("big5"));
				string sTemp=srPage.ReadToEnd();
				rspPage.Close();
				stmPage.Close();
				srPage.Close();
				return sTemp;
			} 
			catch 
			{
				return "FAILED";
			}

		}
======================<end>==========================



     ====================<box>======================
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Text.RegularExpressions;

namespace RegexTester
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 ： System.Windows.Forms.Form
	{
		private System.Windows.Forms.TextBox txtInput;
		private System.Windows.Forms.TextBox txtPattern;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.ListBox lstResult;
		private System.Windows.Forms.Label label1;

…Windows Form之通用程式碼部分省略…
		
		private void button1_Click(object sender, System.EventArgs e)
		{
			try 
			{
				//先使用Regex解析Pattern是否有定義Group
				ArrayList aList=new ArrayList();
				foreach (Match m in Regex.Matches(txtPattern.Text, "[(][?][<](?<groupname>.+?)[>]")) 
				{
					aList.Add(m.Groups["groupname"].Value); //將出現的Group名稱放入ArrayList中
				}
				lstResult.Items.Clear();
				int i=0;
				foreach (Match m in Regex.Matches(txtInput.Text,txtPattern.Text)) 
				{
					i++;
					string sResult=i.ToString()+".∣"+m.Index.ToString()+"∣："+m.Groups[0].Value;
					if (m.Groups.Count>1) 
					{
						for (int j=0; j<aList.Count; j++) 
						{
							sResult+="∣<"+aList[j].ToString()+"="+m.Groups[aList[j].ToString()].Value+">";
						}
					} 
					lstResult.Items.Add(sResult);
				}
			}
			catch (Exception ex)
			{
				MessageBox.Show("發生錯誤： "+ex.Message);
			}
		}

		//為加強互動性, 使用者點選某筆結果時, 可映對出在原文中的位置, 並形成反白
		private void lstResult_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			string sTemp=lstResult.Items[lstResult.SelectedIndex].ToString();
			string[] aAnalysis=Regex.Split(sTemp,"∣");
			int StartPos=int.Parse(aAnalysis[1]);
			txtInput.Focus();
			txtInput.Select(StartPos,aAnalysis[2].Length-1);
			txtInput.ScrollToCaret();
		}

	}
}

==========================<end>==============================