GroupCollection Class

Imports System.Text.RegularExpressions

Module Example
   Public Sub Demo(ByVal outputBlock As System.Windows.Controls.TextBlock)
      Dim pattern As String = "\b(\w+?)([\u00AE\u2122])"
      Dim input As String = "Microsoft® Office Professional Edition combines several office " + _
                            "productivity products, including Word, Excel®, Access®, Outlook®, " + _
                            "PowerPoint®, and several others. Some guidelines for creating " + _
                            "corporate documents using these productivity tools are available " + _
                            "from the documents created using Silverlight™ on the corporate " + _
                            "intranet site."

      Dim matches As MatchCollection = Regex.Matches(input, pattern)
      For Each match As Match In matches
         Dim groups As GroupCollection = match.Groups
         outputBlock.Text += String.Format("{0}: {1}", groups(2), groups(1)) & vbCrLf
      Next
      outputBlock.Text += vbCrLf
      outputBlock.Text += String.Format("Found {0} trademarks or registered trademarks.", matches.Count) & vbCrLf
   End Sub
End Module
' The example displays the following output:
'       ®: Microsoft
'       ®: Excel
'       ®: Access
'       ®: Outlook
'       ®: PowerPoint
'       ™: Silverlight

using System;
using System.Text.RegularExpressions;

public class Example
{
   public static void Demo(System.Windows.Controls.TextBlock outputBlock)
   {
      string pattern = @"\b(\w+?)([\u00AE\u2122])";
      string input = "Microsoft® Office Professional Edition combines several office " +
                     "productivity products, including Word, Excel®, Access®, Outlook®, " +
                     "PowerPoint®, and several others. Some guidelines for creating " +
                     "corporate documents using these productivity tools are available " +
                     "from the documents created using Silverlight™ on the corporate " +
                     "intranet site.";

      MatchCollection matches = Regex.Matches(input, pattern);
      foreach (Match match in matches)
      {
         GroupCollection groups = match.Groups;
         outputBlock.Text += String.Format("{0}: {1}", groups[2], groups[1]) + "\n";
      }
      outputBlock.Text += "\n";
      outputBlock.Text += String.Format("Found {0} trademarks or registered trademarks.", matches.Count) + "\n";
   }
}
// The example displays the following output:
//       ®: Microsoft
//       ®: Excel
//       ®: Access
//       ®: Outlook
//       ®: PowerPoint
//       ™: Silverlight