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    1. <output id="qn6qe"><tt id="qn6qe"></tt></output>
    2. <strike id="qn6qe"></strike>

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          大家看看Regex測試程序吧,作為學習“正則表達式”的輔助程序還是有用的。程序中的的其它技巧也是可以借鑒的。打擊看看吧。
      先看看程序界面:



      下面是程序代碼:

      using System;
      using System.Collections.Generic;
      using System.ComponentModel;
      using System.Data;
      using System.Drawing;
      using System.Text;
      using System.Windows.Forms;
      using System.IO;
      using System.Text.RegularExpressions;

      namespace Regex_DEMO
      {
          public partial class Form1 : Form
          {
              public Form1()
              {
                  InitializeComponent();
              }

              private void Form1_Load(object sender, EventArgs e)
              {

              }

              private void OpenRegexButton_Click(object sender, EventArgs e)
              {
                  openFileDialog1.ShowDialog();
              }

              private void SaveRegexButton_Click(object sender, EventArgs e)
              {
                  saveFileDialog1.ShowDialog();
              }

              private void saveFileDialog1_FileOk(object sender, CancelEventArgs e)
              {
                  StreamWriter streamWriterRegex = File.CreateText(saveFileDialog1.FileName);
                  streamWriterRegex.Write(this.RegexTextBox.Text);
                  streamWriterRegex.Close();
              }

              private void openFileDialog1_FileOk(object sender, CancelEventArgs e)
              {
                  StreamReader streamReaderRegex = File.OpenText(openFileDialog1.FileName);
                  this.RegexTextBox.Text = streamReaderRegex.ReadToEnd();
                  streamReaderRegex.Close();
              }

              private RegexOptions GetSelectedRegexOptions()
              {
                  RegexOptions selectedRegexOptions = RegexOptions.None;
                  if (this.IgnoreCaseChkBox.Checked)
                      selectedRegexOptions |= RegexOptions.IgnoreCase;
                  if (this.ExplicitCaptureChkBox.Checked)
                      selectedRegexOptions |= RegexOptions.ExplicitCapture;
                  if (this.ECMAScriptchkBox.Checked)
                      selectedRegexOptions |= RegexOptions.ECMAScript;
                  if (this.IgnorePatternWhiteSpaceChkBox.Checked)
                      selectedRegexOptions |= RegexOptions.IgnorePatternWhitespace;
                  if (this.MultiLineChkBox.Checked)
                      selectedRegexOptions |= RegexOptions.Multiline;
                  if (this.RightToLeftChkBox.Checked)
                      selectedRegexOptions |= RegexOptions.RightToLeft;
                  if (this.SingleLineChkBox.Checked)
                      selectedRegexOptions |= RegexOptions.Singleline;
                  return selectedRegexOptions;
              }

              private void TestRegexButton_Click(object sender, EventArgs e)
              {
                  try
                  {
                      RegexOptions selectedRegexOptions = this.GetSelectedRegexOptions();
                      Regex testRegex = new Regex(this.RegexTextBox.Text, selectedRegexOptions);
                      if (testRegex.IsMatch(this.InputTextBox.Text))
                      {
                          this.ResultsTextBox.ForeColor = Color.Black;
                          this.ResultsTextBox.Text = "MATCH FOUND";
                      }
                      else
                      {
                          this.ResultsTextBox.Text = "NO MATCH FOUND";
                          this.ResultsTextBox.ForeColor = Color.Red;
                      }
                  }
                  catch (ArgumentException ex)
                  {
                      this.ResultsTextBox.ForeColor = Color.Red;
                      this.ResultsTextBox.Text = "There was an error in your regular expression:\r\n" + ex.Message;
                  }
              }

              private void ReplaceButton_Click(object sender, EventArgs e)
              {
                  try
                  {
                      RegexOptions selectedRegexOptions = this.GetSelectedRegexOptions();
                      Regex replaceRegex = new Regex(this.RegexTextBox.Text, selectedRegexOptions);
                      this.ResultsTextBox.ForeColor = Color.Black;
                      this.ResultsTextBox.Text = replaceRegex.Replace(this.InputTextBox.Text, this.ReplacementTextBox.Text);
                  }
                  catch (ArgumentException ex)
                  {
                      this.ResultsTextBox.ForeColor = Color.Red;
                      this.ResultsTextBox.Text = "There was an error in your regular expression;\r\n"+ex.Message;
                  }
              }

              private void SplitButton_Click(object sender, EventArgs e)
              {
                  try
                  {
                      RegexOptions selectedRegexOptions = this.GetSelectedRegexOptions();
                      Regex splitRegex = new Regex(this.RegexTextBox.Text, selectedRegexOptions);
                      String[] splitResults;
                      splitResults = splitRegex.Split(this.InputTextBox.Text);
                      StringBuilder resultsString = new StringBuilder(this.InputTextBox.Text.Length);

                      foreach (String stringElement in splitResults)
                          resultsString.Append(stringElement + Environment.NewLine);

                      this.ResultsTextBox.ForeColor = Color.Black;
                      this.ResultsTextBox.Text = resultsString.ToString();
                  }
                  catch (ArgumentException ex)
                  {
                      this.ResultsTextBox.ForeColor = Color.Red;
                      this.ResultsTextBox.Text = "There was an error in your regular expression;\r\n"+ex.Message;
                  }
              }

              private void MatchesButton_Click(object sender, EventArgs e)
              {
                  try
                  {
                      RegexOptions selectedRegexOptions = GetSelectedRegexOptions();
                      Regex matchesRegex = new Regex(this.RegexTextBox.Text, selectedRegexOptions);
                      MatchCollection matchesFound;
                      matchesFound = matchesRegex.Matches(this.InputTextBox.Text);

                      String nextMatch = "------ NEXT MATCH ------\r\n";
                      StringBuilder resultsString = new StringBuilder(64);

                      foreach (Match matchMade in matchesFound)
                      {
                          resultsString.Append(matchMade.Value + (Environment.NewLine + nextMatch));
                      }
                      this.ResultsTextBox.ForeColor = Color.Black;
                      this.ResultsTextBox.Text = resultsString.ToString();
                  }
                  catch (ArgumentException ex)
                  {
                      this.ResultsTextBox.ForeColor = Color.Red;
                      this.ResultsTextBox.Text = "There was an error in your regular expressions;\r\n"+ex.Message;
                  }
              }
          }
      }

      下面是窗體設計器生成的代碼

              /// <summary>
              /// 設計器支持所需的方法 - 不要
              /// 使用代碼編輯器修改此方法的內容。
              /// </summary>
              private void InitializeComponent()
              {
                  this.label1 = new System.Windows.Forms.Label();
                  this.RegexTextBox = new System.Windows.Forms.TextBox();
                  this.InputTextBox = new System.Windows.Forms.TextBox();
                  this.ReplacementTextBox = new System.Windows.Forms.TextBox();
                  this.ResultsTextBox = new System.Windows.Forms.TextBox();
                  this.OptionGroups = new System.Windows.Forms.GroupBox();
                  this.IgnorePatternWhiteSpaceChkBox = new System.Windows.Forms.CheckBox();
                  this.SingleLineChkBox = new System.Windows.Forms.CheckBox();
                  this.IgnoreCaseChkBox = new System.Windows.Forms.CheckBox();
                  this.RightToLeftChkBox = new System.Windows.Forms.CheckBox();
                  this.ExplicitCaptureChkBox = new System.Windows.Forms.CheckBox();
                  this.MultiLineChkBox = new System.Windows.Forms.CheckBox();
                  this.ECMAScriptchkBox = new System.Windows.Forms.CheckBox();
                  this.OpenRegexButton = new System.Windows.Forms.Button();
                  this.SaveRegexButton = new System.Windows.Forms.Button();
                  this.label2 = new System.Windows.Forms.Label();
                  this.label3 = new System.Windows.Forms.Label();
                  this.label4 = new System.Windows.Forms.Label();
                  this.TestRegexButton = new System.Windows.Forms.Button();
                  this.ReplaceButton = new System.Windows.Forms.Button();
                  this.SplitButton = new System.Windows.Forms.Button();
                  this.MatchesButton = new System.Windows.Forms.Button();
                  this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
                  this.saveFileDialog1 = new System.Windows.Forms.SaveFileDialog();
                  this.OptionGroups.SuspendLayout();
                  this.SuspendLayout();
                  //
                  // label1
                  //
                  this.label1.AutoSize = true;
                  this.label1.Location = new System.Drawing.Point(13, 8);
                  this.label1.Name = "label1";
                  this.label1.Size = new System.Drawing.Size(185, 12);
                  this.label1.TabIndex = 0;
                  this.label1.Text = "Regular Expression(正則表達式)";
                  //
                  // RegexTextBox
                  //
                  this.RegexTextBox.Location = new System.Drawing.Point(12, 29);
                  this.RegexTextBox.Multiline = true;
                  this.RegexTextBox.Name = "RegexTextBox";
                  this.RegexTextBox.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
                  this.RegexTextBox.Size = new System.Drawing.Size(447, 67);
                  this.RegexTextBox.TabIndex = 1;
                  //
                  // InputTextBox
                  //
                  this.InputTextBox.Location = new System.Drawing.Point(12, 220);
                  this.InputTextBox.Multiline = true;
                  this.InputTextBox.Name = "InputTextBox";
                  this.InputTextBox.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
                  this.InputTextBox.Size = new System.Drawing.Size(447, 69);
                  this.InputTextBox.TabIndex = 2;
                  //
                  // ReplacementTextBox
                  //
                  this.ReplacementTextBox.Location = new System.Drawing.Point(12, 317);
                  this.ReplacementTextBox.Multiline = true;
                  this.ReplacementTextBox.Name = "ReplacementTextBox";
                  this.ReplacementTextBox.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
                  this.ReplacementTextBox.Size = new System.Drawing.Size(447, 60);
                  this.ReplacementTextBox.TabIndex = 3;
                  //
                  // ResultsTextBox
                  //
                  this.ResultsTextBox.Location = new System.Drawing.Point(12, 404);
                  this.ResultsTextBox.Multiline = true;
                  this.ResultsTextBox.Name = "ResultsTextBox";
                  this.ResultsTextBox.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
                  this.ResultsTextBox.Size = new System.Drawing.Size(447, 65);
                  this.ResultsTextBox.TabIndex = 4;
                  //
                  // OptionGroups
                  //
                  this.OptionGroups.Controls.Add(this.IgnorePatternWhiteSpaceChkBox);
                  this.OptionGroups.Controls.Add(this.SingleLineChkBox);
                  this.OptionGroups.Controls.Add(this.IgnoreCaseChkBox);
                  this.OptionGroups.Controls.Add(this.RightToLeftChkBox);
                  this.OptionGroups.Controls.Add(this.ExplicitCaptureChkBox);
                  this.OptionGroups.Controls.Add(this.MultiLineChkBox);
                  this.OptionGroups.Controls.Add(this.ECMAScriptchkBox);
                  this.OptionGroups.Location = new System.Drawing.Point(12, 106);
                  this.OptionGroups.Name = "OptionGroups";
                  this.OptionGroups.Size = new System.Drawing.Size(323, 86);
                  this.OptionGroups.TabIndex = 5;
                  this.OptionGroups.TabStop = false;
                  this.OptionGroups.Text = "Regex Options";
                  //
                  // IgnorePatternWhiteSpaceChkBox
                  //
                  this.IgnorePatternWhiteSpaceChkBox.AutoSize = true;
                  this.IgnorePatternWhiteSpaceChkBox.Location = new System.Drawing.Point(19, 61);
                  this.IgnorePatternWhiteSpaceChkBox.Name = "IgnorePatternWhiteSpaceChkBox";
                  this.IgnorePatternWhiteSpaceChkBox.Size = new System.Drawing.Size(162, 16);
                  this.IgnorePatternWhiteSpaceChkBox.TabIndex = 6;
                  this.IgnorePatternWhiteSpaceChkBox.Text = "IgnorePatternWhiteSpace";
                  this.IgnorePatternWhiteSpaceChkBox.UseVisualStyleBackColor = true;
                  //
                  // SingleLineChkBox
                  //
                  this.SingleLineChkBox.AutoSize = true;
                  this.SingleLineChkBox.Location = new System.Drawing.Point(229, 42);
                  this.SingleLineChkBox.Name = "SingleLineChkBox";
                  this.SingleLineChkBox.Size = new System.Drawing.Size(84, 16);
                  this.SingleLineChkBox.TabIndex = 5;
                  this.SingleLineChkBox.Text = "SingleLine";
                  this.SingleLineChkBox.UseVisualStyleBackColor = true;
                  //
                  // IgnoreCaseChkBox
                  //
                  this.IgnoreCaseChkBox.AutoSize = true;
                  this.IgnoreCaseChkBox.Location = new System.Drawing.Point(229, 20);
                  this.IgnoreCaseChkBox.Name = "IgnoreCaseChkBox";
                  this.IgnoreCaseChkBox.Size = new System.Drawing.Size(84, 16);
                  this.IgnoreCaseChkBox.TabIndex = 4;
                  this.IgnoreCaseChkBox.Text = "IgnoreCase";
                  this.IgnoreCaseChkBox.UseVisualStyleBackColor = true;
                  //
                  // RightToLeftChkBox
                  //
                  this.RightToLeftChkBox.AutoSize = true;
                  this.RightToLeftChkBox.Location = new System.Drawing.Point(109, 39);
                  this.RightToLeftChkBox.Name = "RightToLeftChkBox";
                  this.RightToLeftChkBox.Size = new System.Drawing.Size(90, 16);
                  this.RightToLeftChkBox.TabIndex = 3;
                  this.RightToLeftChkBox.Text = "RightToLeft";
                  this.RightToLeftChkBox.UseVisualStyleBackColor = true;
                  //
                  // ExplicitCaptureChkBox
                  //
                  this.ExplicitCaptureChkBox.AutoSize = true;
                  this.ExplicitCaptureChkBox.Location = new System.Drawing.Point(109, 17);
                  this.ExplicitCaptureChkBox.Name = "ExplicitCaptureChkBox";
                  this.ExplicitCaptureChkBox.Size = new System.Drawing.Size(114, 16);
                  this.ExplicitCaptureChkBox.TabIndex = 2;
                  this.ExplicitCaptureChkBox.Text = "ExplicitCapture";
                  this.ExplicitCaptureChkBox.UseVisualStyleBackColor = true;
                  //
                  // MultiLineChkBox
                  //
                  this.MultiLineChkBox.AutoSize = true;
                  this.MultiLineChkBox.Location = new System.Drawing.Point(19, 39);
                  this.MultiLineChkBox.Name = "MultiLineChkBox";
                  this.MultiLineChkBox.Size = new System.Drawing.Size(78, 16);
                  this.MultiLineChkBox.TabIndex = 1;
                  this.MultiLineChkBox.Text = "MultiLine";
                  this.MultiLineChkBox.UseVisualStyleBackColor = true;
                  //
                  // ECMAScriptchkBox
                  //
                  this.ECMAScriptchkBox.AutoSize = true;
                  this.ECMAScriptchkBox.Location = new System.Drawing.Point(19, 17);
                  this.ECMAScriptchkBox.Name = "ECMAScriptchkBox";
                  this.ECMAScriptchkBox.Size = new System.Drawing.Size(84, 16);
                  this.ECMAScriptchkBox.TabIndex = 0;
                  this.ECMAScriptchkBox.Text = "ECMAScript";
                  this.ECMAScriptchkBox.UseVisualStyleBackColor = true;
                  //
                  // OpenRegexButton
                  //
                  this.OpenRegexButton.Location = new System.Drawing.Point(358, 122);
                  this.OpenRegexButton.Name = "OpenRegexButton";
                  this.OpenRegexButton.Size = new System.Drawing.Size(75, 23);
                  this.OpenRegexButton.TabIndex = 6;
                  this.OpenRegexButton.Text = "Open Regex";
                  this.OpenRegexButton.UseVisualStyleBackColor = true;
                  this.OpenRegexButton.Click += new System.EventHandler(this.OpenRegexButton_Click);
                  //
                  // SaveRegexButton
                  //
                  this.SaveRegexButton.Location = new System.Drawing.Point(358, 157);
                  this.SaveRegexButton.Name = "SaveRegexButton";
                  this.SaveRegexButton.Size = new System.Drawing.Size(75, 23);
                  this.SaveRegexButton.TabIndex = 7;
                  this.SaveRegexButton.Text = "Save Regex";
                  this.SaveRegexButton.UseVisualStyleBackColor = true;
                  this.SaveRegexButton.Click += new System.EventHandler(this.SaveRegexButton_Click);
                  //
                  // label2
                  //
                  this.label2.AutoSize = true;
                  this.label2.Location = new System.Drawing.Point(13, 202);
                  this.label2.Name = "label2";
                  this.label2.Size = new System.Drawing.Size(101, 12);
                  this.label2.TabIndex = 8;
                  this.label2.Text = "Text To Match On";
                  //
                  // label3
                  //
                  this.label3.AutoSize = true;
                  this.label3.Location = new System.Drawing.Point(14, 298);
                  this.label3.Name = "label3";
                  this.label3.Size = new System.Drawing.Size(101, 12);
                  this.label3.TabIndex = 9;
                  this.label3.Text = "Replacement Text";
                  //
                  // label4
                  //
                  this.label4.AutoSize = true;
                  this.label4.Location = new System.Drawing.Point(14, 386);
                  this.label4.Name = "label4";
                  this.label4.Size = new System.Drawing.Size(101, 12);
                  this.label4.TabIndex = 10;
                  this.label4.Text = "Results of Match";
                  //
                  // TestRegexButton
                  //
                  this.TestRegexButton.Location = new System.Drawing.Point(53, 477);
                  this.TestRegexButton.Name = "TestRegexButton";
                  this.TestRegexButton.Size = new System.Drawing.Size(75, 23);
                  this.TestRegexButton.TabIndex = 11;
                  this.TestRegexButton.Text = "IsMatch()";
                  this.TestRegexButton.UseVisualStyleBackColor = true;
                  this.TestRegexButton.Click += new System.EventHandler(this.TestRegexButton_Click);
                  //
                  // ReplaceButton
                  //
                  this.ReplaceButton.Location = new System.Drawing.Point(145, 477);
                  this.ReplaceButton.Name = "ReplaceButton";
                  this.ReplaceButton.Size = new System.Drawing.Size(75, 23);
                  this.ReplaceButton.TabIndex = 12;
                  this.ReplaceButton.Text = "Replace()";
                  this.ReplaceButton.UseVisualStyleBackColor = true;
                  this.ReplaceButton.Click += new System.EventHandler(this.ReplaceButton_Click);
                  //
                  // SplitButton
                  //
                  this.SplitButton.Location = new System.Drawing.Point(239, 477);
                  this.SplitButton.Name = "SplitButton";
                  this.SplitButton.Size = new System.Drawing.Size(75, 23);
                  this.SplitButton.TabIndex = 13;
                  this.SplitButton.Text = "Split()";
                  this.SplitButton.UseVisualStyleBackColor = true;
                  this.SplitButton.Click += new System.EventHandler(this.SplitButton_Click);
                  //
                  // MatchesButton
                  //
                  this.MatchesButton.Location = new System.Drawing.Point(334, 477);
                  this.MatchesButton.Name = "MatchesButton";
                  this.MatchesButton.Size = new System.Drawing.Size(75, 23);
                  this.MatchesButton.TabIndex = 14;
                  this.MatchesButton.Text = "Matches()";
                  this.MatchesButton.UseVisualStyleBackColor = true;
                  this.MatchesButton.Click += new System.EventHandler(this.MatchesButton_Click);
                  //
                  // openFileDialog1
                  //
                  this.openFileDialog1.FileName = "openFileDialog1";
                  this.openFileDialog1.FileOk += new System.ComponentModel.CancelEventHandler(this.openFileDialog1_FileOk);
                  //
                  // saveFileDialog1
                  //
                  this.saveFileDialog1.FileOk += new System.ComponentModel.CancelEventHandler(this.saveFileDialog1_FileOk);
                  //
                  // Form1
                  //
                  this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
                  this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
                  this.ClientSize = new System.Drawing.Size(471, 510);
                  this.Controls.Add(this.MatchesButton);
                  this.Controls.Add(this.SplitButton);
                  this.Controls.Add(this.ReplaceButton);
                  this.Controls.Add(this.TestRegexButton);
                  this.Controls.Add(this.label4);
                  this.Controls.Add(this.label3);
                  this.Controls.Add(this.label2);
                  this.Controls.Add(this.SaveRegexButton);
                  this.Controls.Add(this.OpenRegexButton);
                  this.Controls.Add(this.OptionGroups);
                  this.Controls.Add(this.ResultsTextBox);
                  this.Controls.Add(this.ReplacementTextBox);
                  this.Controls.Add(this.InputTextBox);
                  this.Controls.Add(this.RegexTextBox);
                  this.Controls.Add(this.label1);
                  this.Name = "Form1";
                  this.Text = "Form1";
                  this.Load += new System.EventHandler(this.Form1_Load);
                  this.OptionGroups.ResumeLayout(false);
                  this.OptionGroups.PerformLayout();
                  this.ResumeLayout(false);
                  this.PerformLayout();

              }

              #endregion

              private System.Windows.Forms.Label label1;
              private System.Windows.Forms.TextBox RegexTextBox;
              private System.Windows.Forms.TextBox InputTextBox;
              private System.Windows.Forms.TextBox ReplacementTextBox;
              private System.Windows.Forms.TextBox ResultsTextBox;
              private System.Windows.Forms.GroupBox OptionGroups;
              private System.Windows.Forms.CheckBox IgnoreCaseChkBox;
              private System.Windows.Forms.CheckBox RightToLeftChkBox;
              private System.Windows.Forms.CheckBox ExplicitCaptureChkBox;
              private System.Windows.Forms.CheckBox MultiLineChkBox;
              private System.Windows.Forms.CheckBox ECMAScriptchkBox;
              private System.Windows.Forms.CheckBox IgnorePatternWhiteSpaceChkBox;
              private System.Windows.Forms.CheckBox SingleLineChkBox;
              private System.Windows.Forms.Button OpenRegexButton;
              private System.Windows.Forms.Button SaveRegexButton;
              private System.Windows.Forms.Label label2;
              private System.Windows.Forms.Label label3;
              private System.Windows.Forms.Label label4;
              private System.Windows.Forms.Button TestRegexButton;
              private System.Windows.Forms.Button ReplaceButton;
              private System.Windows.Forms.Button SplitButton;
              private System.Windows.Forms.Button MatchesButton;
              private System.Windows.Forms.OpenFileDialog openFileDialog1;
              private System.Windows.Forms.SaveFileDialog saveFileDialog1;

      Posted on 2008-02-02 14:43  chenpeng  閱讀(538)  評論(0)    收藏  舉報
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