C#做的一個正則表達式測試軟件,照書上做的.

Dear 丶 2022-08-25 13:47 203阅读 0赞

C\#做的一個正則表達式測試軟件,照書上做的.

![o_08013002.bmp][]

源代碼:

using  System;  
 using  System.Drawing;  
 using  System.Collections;  
 using  System.ComponentModel;  
 using  System.Windows.Forms;  
 using  System.Data;  
 using  System.IO;  
 using  System.Text;  
 using  System.Text.RegularExpressions;  
  
 namespace  RegexTester  
\{  
 ///  <summary>   
 ///  Form1 的摘要說明。  
 ///  </summary>   
  public  class  RegexTesterForm : System.Windows.Forms.Form  
\{  
 private  System.Windows.Forms.TextBox InputTextBox;  
 private  System.Windows.Forms.TextBox ReplacementTextBox;  
 private  System.Windows.Forms.TextBox ResultsTextBox;  
 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.Button OpenRegexButton;  
 private  System.Windows.Forms.Button SaveRegexButton;  
 private  System.Windows.Forms.GroupBox OptionsGroup;  
 private  System.Windows.Forms.CheckBox SingleLineChkBox;  
 private  System.Windows.Forms.CheckBox RightToLeftChkBox;  
 private  System.Windows.Forms.CheckBox MultiLineChkBox;  
 private  System.Windows.Forms.CheckBox IgnorePatternWhiteSpaceChkBox;  
 private  System.Windows.Forms.CheckBox IgnoreCaseChkBox;  
 private  System.Windows.Forms.CheckBox ExplicitCaptureChkBox;  
 private  System.Windows.Forms.CheckBox ECMAScriptChkBox;  
 private  System.Windows.Forms.OpenFileDialog openFileDialog1;  
 private  System.Windows.Forms.SaveFileDialog saveFileDialog1;  
 private  System.Windows.Forms.TextBox RegexTextBox;  
 private  System.Windows.Forms.Label label1;  
 private  System.Windows.Forms.Label label2;  
 private  System.Windows.Forms.Label label3;  
 private  System.Windows.Forms.Label label4;  
 ///  <summary>   
 ///  必需的設計器變量。  
 ///  </summary>   
  private  System.ComponentModel.Container components  =  null ;  
  
 public  RegexTesterForm()  
\{  
 //   
 //  Windows 窗體設計器支持所必需的  
 //  
  InitializeComponent();  
  
 //   
 //  TODO: 在 InitializeComponent 調用後添加任何構造函數代碼  
 //  
  \}  
  
 ///  <summary>   
 ///  清理所有正在使用的資源。  
 ///  </summary>   
  protected  override  void  Dispose(  bool  disposing )  
\{  
 if ( disposing )  
\{  
 if  (components  !=  null )  
\{  
components.Dispose();  
\}  
\}  
 base .Dispose( disposing );  
\}  
  
 \#region  Windows 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 .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 .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 .OpenRegexButton  =  new  System.Windows.Forms.Button();  
 this .SaveRegexButton  =  new  System.Windows.Forms.Button();  
 this .OptionsGroup  =  new  System.Windows.Forms.GroupBox();  
 this .ECMAScriptChkBox  =  new  System.Windows.Forms.CheckBox();  
 this .ExplicitCaptureChkBox  =  new  System.Windows.Forms.CheckBox();  
 this .IgnoreCaseChkBox  =  new  System.Windows.Forms.CheckBox();  
 this .IgnorePatternWhiteSpaceChkBox  =  new  System.Windows.Forms.CheckBox();  
 this .MultiLineChkBox  =  new  System.Windows.Forms.CheckBox();  
 this .RightToLeftChkBox  =  new  System.Windows.Forms.CheckBox();  
 this .SingleLineChkBox  =  new  System.Windows.Forms.CheckBox();  
 this .openFileDialog1  =  new  System.Windows.Forms.OpenFileDialog();  
 this .saveFileDialog1  =  new  System.Windows.Forms.SaveFileDialog();  
 this .label1  =  new  System.Windows.Forms.Label();  
 this .label2  =  new  System.Windows.Forms.Label();  
 this .label3  =  new  System.Windows.Forms.Label();  
 this .label4  =  new  System.Windows.Forms.Label();  
 this .OptionsGroup.SuspendLayout();  
 this .SuspendLayout();  
 //   
 //  RegexTextBox  
 //    
  this .RegexTextBox.Location  =  new  System.Drawing.Point( 8 ,  16 );  
 this .RegexTextBox.Multiline  =  true ;  
 this .RegexTextBox.Name  =  " RegexTextBox " ;  
 this .RegexTextBox.ScrollBars  =  System.Windows.Forms.ScrollBars.Vertical;  
 this .RegexTextBox.Size  =  new  System.Drawing.Size( 432 ,  56 );  
 this .RegexTextBox.TabIndex  =  0 ;  
 this .RegexTextBox.Text  =  "" ;  
 //   
 //  InputTextBox  
 //    
  this .InputTextBox.Location  =  new  System.Drawing.Point( 8 ,  176 );  
 this .InputTextBox.Multiline  =  true ;  
 this .InputTextBox.Name  =  " InputTextBox " ;  
 this .InputTextBox.ScrollBars  =  System.Windows.Forms.ScrollBars.Vertical;  
 this .InputTextBox.Size  =  new  System.Drawing.Size( 432 ,  88 );  
 this .InputTextBox.TabIndex  =  1 ;  
 this .InputTextBox.Text  =  "" ;  
 //   
 //  ReplacementTextBox  
 //    
  this .ReplacementTextBox.Location  =  new  System.Drawing.Point( 8 ,  280 );  
 this .ReplacementTextBox.Multiline  =  true ;  
 this .ReplacementTextBox.Name  =  " ReplacementTextBox " ;  
 this .ReplacementTextBox.ScrollBars  =  System.Windows.Forms.ScrollBars.Vertical;  
 this .ReplacementTextBox.Size  =  new  System.Drawing.Size( 432 ,  64 );  
 this .ReplacementTextBox.TabIndex  =  2 ;  
 this .ReplacementTextBox.Text  =  "" ;  
 //   
 //  ResultsTextBox  
 //    
  this .ResultsTextBox.Location  =  new  System.Drawing.Point( 8 ,  360 );  
 this .ResultsTextBox.Multiline  =  true ;  
 this .ResultsTextBox.Name  =  " ResultsTextBox " ;  
 this .ResultsTextBox.ScrollBars  =  System.Windows.Forms.ScrollBars.Vertical;  
 this .ResultsTextBox.Size  =  new  System.Drawing.Size( 432 ,  72 );  
 this .ResultsTextBox.TabIndex  =  3 ;  
 this .ResultsTextBox.Text  =  "" ;  
 //   
 //  TestRegexButton  
 //    
  this .TestRegexButton.FlatStyle  =  System.Windows.Forms.FlatStyle.Popup;  
 this .TestRegexButton.Location  =  new  System.Drawing.Point( 32 ,  440 );  
 this .TestRegexButton.Name  =  " TestRegexButton " ;  
 this .TestRegexButton.Size  =  new  System.Drawing.Size( 74 ,  23 );  
 this .TestRegexButton.TabIndex  =  4 ;  
 this .TestRegexButton.Text  =  " IsMatch() " ;  
 this .TestRegexButton.Click  \+=  new  System.EventHandler( this .TestRegexButton\_Click);  
 //   
 //  ReplaceButton  
 //    
  this .ReplaceButton.FlatStyle  =  System.Windows.Forms.FlatStyle.Popup;  
 this .ReplaceButton.Location  =  new  System.Drawing.Point( 128 ,  440 );  
 this .ReplaceButton.Name  =  " ReplaceButton " ;  
 this .ReplaceButton.Size  =  new  System.Drawing.Size( 74 ,  23 );  
 this .ReplaceButton.TabIndex  =  5 ;  
 this .ReplaceButton.Text  =  " Replace() " ;  
 this .ReplaceButton.Click  \+=  new  System.EventHandler( this .ReplaceButton\_Click);  
 //   
 //  SplitButton  
 //    
  this .SplitButton.FlatStyle  =  System.Windows.Forms.FlatStyle.Popup;  
 this .SplitButton.Location  =  new  System.Drawing.Point( 232 ,  440 );  
 this .SplitButton.Name  =  " SplitButton " ;  
 this .SplitButton.TabIndex  =  6 ;  
 this .SplitButton.Text  =  " Split() " ;  
 this .SplitButton.Click  \+=  new  System.EventHandler( this .SplitButton\_Click);  
 //   
 //  MatchesButton  
 //    
  this .MatchesButton.FlatStyle  =  System.Windows.Forms.FlatStyle.Popup;  
 this .MatchesButton.Location  =  new  System.Drawing.Point( 336 ,  440 );  
 this .MatchesButton.Name  =  " MatchesButton " ;  
 this .MatchesButton.TabIndex  =  7 ;  
 this .MatchesButton.Text  =  " Matches() " ;  
 this .MatchesButton.Click  \+=  new  System.EventHandler( this .MatchesButton\_Click);  
 //   
 //  OpenRegexButton  
 //    
  this .OpenRegexButton.FlatStyle  =  System.Windows.Forms.FlatStyle.Flat;  
 this .OpenRegexButton.Location  =  new  System.Drawing.Point( 360 ,  88 );  
 this .OpenRegexButton.Name  =  " OpenRegexButton " ;  
 this .OpenRegexButton.Size  =  new  System.Drawing.Size( 80 ,  23 );  
 this .OpenRegexButton.TabIndex  =  8 ;  
 this .OpenRegexButton.Text  =  " Open Regex " ;  
 this .OpenRegexButton.TextAlign  =  System.Drawing.ContentAlignment.MiddleLeft;  
 this .OpenRegexButton.Click  \+=  new  System.EventHandler( this .OpenRegexButton\_Click);  
 //   
 //  SaveRegexButton  
 //    
  this .SaveRegexButton.FlatStyle  =  System.Windows.Forms.FlatStyle.Flat;  
 this .SaveRegexButton.Location  =  new  System.Drawing.Point( 360 ,  128 );  
 this .SaveRegexButton.Name  =  " SaveRegexButton " ;  
 this .SaveRegexButton.Size  =  new  System.Drawing.Size( 80 ,  23 );  
 this .SaveRegexButton.TabIndex  =  9 ;  
 this .SaveRegexButton.Text  =  " Save Regex " ;  
 this .SaveRegexButton.TextAlign  =  System.Drawing.ContentAlignment.MiddleLeft;  
 this .SaveRegexButton.Click  \+=  new  System.EventHandler( this .SaveRegexButton\_Click);  
 //   
 //  OptionsGroup  
 //    
  this .OptionsGroup.Controls.Add( this .ECMAScriptChkBox);  
 this .OptionsGroup.Controls.Add( this .ExplicitCaptureChkBox);  
 this .OptionsGroup.Controls.Add( this .IgnoreCaseChkBox);  
 this .OptionsGroup.Controls.Add( this .IgnorePatternWhiteSpaceChkBox);  
 this .OptionsGroup.Controls.Add( this .MultiLineChkBox);  
 this .OptionsGroup.Controls.Add( this .RightToLeftChkBox);  
 this .OptionsGroup.Controls.Add( this .SingleLineChkBox);  
 this .OptionsGroup.Location  =  new  System.Drawing.Point( 8 ,  80 );  
 this .OptionsGroup.Name  =  " OptionsGroup " ;  
 this .OptionsGroup.Size  =  new  System.Drawing.Size( 344 ,  72 );  
 this .OptionsGroup.TabIndex  =  10 ;  
 this .OptionsGroup.TabStop  =  false ;  
 this .OptionsGroup.Text  =  " Regex Options " ;  
 //   
 //  ECMAScriptChkBox  
 //    
  this .ECMAScriptChkBox.Location  =  new  System.Drawing.Point( 16 ,  32 );  
 this .ECMAScriptChkBox.Name  =  " ECMAScriptChkBox " ;  
 this .ECMAScriptChkBox.Size  =  new  System.Drawing.Size( 88 ,  16 );  
 this .ECMAScriptChkBox.TabIndex  =  7 ;  
 this .ECMAScriptChkBox.Text  =  " ECMAScript " ;  
 //   
 //  ExplicitCaptureChkBox  
 //    
  this .ExplicitCaptureChkBox.Location  =  new  System.Drawing.Point( 216 ,  32 );  
 this .ExplicitCaptureChkBox.Name  =  " ExplicitCaptureChkBox " ;  
 this .ExplicitCaptureChkBox.Size  =  new  System.Drawing.Size( 120 ,  16 );  
 this .ExplicitCaptureChkBox.TabIndex  =  5 ;  
 this .ExplicitCaptureChkBox.Text  =  " ExplicitCapture " ;  
 //   
 //  IgnoreCaseChkBox  
 //    
  this .IgnoreCaseChkBox.Location  =  new  System.Drawing.Point( 112 ,  32 );  
 this .IgnoreCaseChkBox.Name  =  " IgnoreCaseChkBox " ;  
 this .IgnoreCaseChkBox.Size  =  new  System.Drawing.Size( 96 ,  16 );  
 this .IgnoreCaseChkBox.TabIndex  =  4 ;  
 this .IgnoreCaseChkBox.Text  =  " IgnoreCase " ;  
 //   
 //  IgnorePatternWhiteSpaceChkBox  
 //    
  this .IgnorePatternWhiteSpaceChkBox.Location  =  new  System.Drawing.Point( 16 ,  48 );  
 this .IgnorePatternWhiteSpaceChkBox.Name  =  " IgnorePatternWhiteSpaceChkBox " ;  
 this .IgnorePatternWhiteSpaceChkBox.Size  =  new  System.Drawing.Size( 176 ,  16 );  
 this .IgnorePatternWhiteSpaceChkBox.TabIndex  =  3 ;  
 this .IgnorePatternWhiteSpaceChkBox.Text  =  " IgnorePatternWhiteSpace " ;  
 //   
 //  MultiLineChkBox  
 //    
  this .MultiLineChkBox.Location  =  new  System.Drawing.Point( 216 ,  16 );  
 this .MultiLineChkBox.Name  =  " MultiLineChkBox " ;  
 this .MultiLineChkBox.Size  =  new  System.Drawing.Size( 80 ,  16 );  
 this .MultiLineChkBox.TabIndex  =  2 ;  
 this .MultiLineChkBox.Text  =  " MultiLine " ;  
 //   
 //  RightToLeftChkBox  
 //    
  this .RightToLeftChkBox.Location  =  new  System.Drawing.Point( 112 ,  16 );  
 this .RightToLeftChkBox.Name  =  " RightToLeftChkBox " ;  
 this .RightToLeftChkBox.Size  =  new  System.Drawing.Size( 96 ,  16 );  
 this .RightToLeftChkBox.TabIndex  =  1 ;  
 this .RightToLeftChkBox.Text  =  " RightToLeft " ;  
 //   
 //  SingleLineChkBox  
 //    
  this .SingleLineChkBox.Location  =  new  System.Drawing.Point( 16 ,  16 );  
 this .SingleLineChkBox.Name  =  " SingleLineChkBox " ;  
 this .SingleLineChkBox.Size  =  new  System.Drawing.Size( 88 ,  16 );  
 this .SingleLineChkBox.TabIndex  =  0 ;  
 this .SingleLineChkBox.Text  =  " SingleLine " ;  
 //   
 //  openFileDialog1  
 //    
  this .openFileDialog1.FileOk  \+=  new  System.ComponentModel.CancelEventHandler( this .openFileDialog1\_FileOk);  
 //   
 //  saveFileDialog1  
 //    
  this .saveFileDialog1.FileOk  \+=  new  System.ComponentModel.CancelEventHandler( this .saveFileDialog1\_FileOk);  
 //   
 //  label1  
 //    
  this .label1.Location  =  new  System.Drawing.Point( 8 ,  160 );  
 this .label1.Name  =  " label1 " ;  
 this .label1.Size  =  new  System.Drawing.Size( 112 ,  16 );  
 this .label1.TabIndex  =  11 ;  
 this .label1.Text  =  " Text to Match On " ;  
 //   
 //  label2  
 //    
  this .label2.Location  =  new  System.Drawing.Point( 8 ,  264 );  
 this .label2.Name  =  " label2 " ;  
 this .label2.Size  =  new  System.Drawing.Size( 112 ,  16 );  
 this .label2.TabIndex  =  12 ;  
 this .label2.Text  =  " Replacement Text " ;  
 //   
 //  label3  
 //    
  this .label3.Location  =  new  System.Drawing.Point( 8 ,  344 );  
 this .label3.Name  =  " label3 " ;  
 this .label3.Size  =  new  System.Drawing.Size( 112 ,  16 );  
 this .label3.TabIndex  =  13 ;  
 this .label3.Text  =  " Results of Match " ;  
 //   
 //  label4  
 //    
  this .label4.Location  =  new  System.Drawing.Point( 8 ,  0 );  
 this .label4.Name  =  " label4 " ;  
 this .label4.Size  =  new  System.Drawing.Size( 200 ,  16 );  
 this .label4.TabIndex  =  14 ;  
 this .label4.Text  =  " Regular Expression " ;  
 //   
 //  RegexTesterForm  
 //    
  this .AutoScaleBaseSize  =  new  System.Drawing.Size( 6 ,  14 );  
 this .ClientSize  =  new  System.Drawing.Size( 448 ,  469 );  
 this .Controls.Add( this .label4);  
 this .Controls.Add( this .label3);  
 this .Controls.Add( this .label2);  
 this .Controls.Add( this .label1);  
 this .Controls.Add( this .OptionsGroup);  
 this .Controls.Add( this .SaveRegexButton);  
 this .Controls.Add( this .OpenRegexButton);  
 this .Controls.Add( this .MatchesButton);  
 this .Controls.Add( this .SplitButton);  
 this .Controls.Add( this .ReplaceButton);  
 this .Controls.Add( this .TestRegexButton);  
 this .Controls.Add( this .ResultsTextBox);  
 this .Controls.Add( this .ReplacementTextBox);  
 this .Controls.Add( this .InputTextBox);  
 this .Controls.Add( this .RegexTextBox);  
 this .Name  =  " RegexTesterForm " ;  
 this .Text  =  " RegexTester " ;  
 this .OptionsGroup.ResumeLayout( false );  
 this .ResumeLayout( false );  
  
\}  
 \#endregion   
  
 ///  <summary>   
 ///  應用程序的主入口點。  
 ///  </summary>   
  \[STAThread\]  
 static  void  Main()  
\{  
Application.Run( new  RegexTesterForm());  
\}  
  
 private  void  SaveRegexButton\_Click( object  sender, System.EventArgs e)  
\{  
  
 this .saveFileDialog1.ShowDialog();  
\}  
  
 private  void  OpenRegexButton\_Click( object  sender, System.EventArgs e)  
\{  
  
 this .openFileDialog1.ShowDialog();  
\}  
  
 private  void  saveFileDialog1\_FileOk( object  sender, System.ComponentModel.CancelEventArgs e)  
\{  
StreamWriter steamWriterRegex = File.CreateText(saveFileDialog1.FileName);  
steamWriterRegex.Write( this .RegexTextBox.Text);  
steamWriterRegex.Close();  
  
\}  
 private  void  openFileDialog1\_FileOk( object  sender, System.ComponentModel.CancelEventArgs e)  
\{  
StreamReader steamReaderRegex = File.OpenText(openFileDialog1.FileName);  
 this .RegexTextBox.Text = steamReaderRegex.ReadToEnd();  
steamReaderRegex.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, System.EventArgs e)  
\{  
 try   
\{  
RegexOptions selctedRegexOptins = this .GetSelectedRegexOptions();  
Regex testRegex = new  Regex( this .RegexTextBox.Text,selctedRegexOptins);  
 if (testRegex.IsMatch( this .InputTextBox.Text))  
\{  
 this .ResultsTextBox.ForeColor = Color.Black;  
 this .ResultsTextBox.Text = " MATCH FOUND " ;  
  
\}  
 else   
\{  
 this .ResultsTextBox.ForeColor = Color.Red;  
 this .ResultsTextBox.Text = " NO MATCH FOUND " ;  
\}  
  
\}  
 catch (ArgumentException ex)  
\{  
 this .ResultsTextBox.ForeColor = Color.Red;  
 this .ResultsTextBox.Text = " There was a error in your regular expressions:  " \+ ex.ToString();  
  
\}  
  
\}  
  
 private  void  ReplaceButton\_Click( object  sender, System.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 a error in your regular expressions:  " \+ ex.ToString();  
  
\}  
\}  
  
 private  void  SplitButton\_Click( object  sender, System.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 a error in your regular expressions:  " \+ ex.ToString();  
  
\}  
  
\}  
  
 private  void  MatchesButton\_Click( object  sender, System.EventArgs e)  
\{  
 try   
\{  
RegexOptions selectedRegexOptions = this .GetSelectedRegexOptions();  
Regex matchesRegex = new  Regex( this .RegexTextBox.Text,selectedRegexOptions);  
  
MatchCollection matchesFound;  
matchesFound = matchesRegex.Matches( this .InputTextBox.Text);  
 string  nextMatch = " \----------Next Match------------  " ;  
  
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 a error in your regular expressions:  " \+ ex.ToString();  
  
\}  
\}  
  
  
\}  
\}

[o_08013002.bmp]: /images/20220824/e5ec21bb91ca47b2aefba0e9ccb0c299.png