using System;
using System.Text.RegularExpressions;

namespace Wrox.ProCSharp.RegularExpressionPlayaround
{
   class MainEntryPoint
   {
      static void Main()
      {
         Find1();
         Console.ReadLine();
      }

      static void Find1()
      {
         string text = @"XML has made a major impact in almost every aspect of
            software development. Designed as an open, extensible, self-describing
            language, it has become the standard for data and document delivery on
            the web. The panoply of XML-related technologies continues to develop
            at breakneck speed, to enable validation, navigation, transformation,
            linking, querying, description, and messaging of data.";
         string pattern = @"\bn\S*ion\b";
         MatchCollection matches = Regex.Matches(text, pattern,
            RegexOptions.IgnoreCase | RegexOptions.IgnorePatternWhitespace |
            RegexOptions.ExplicitCapture);
         WriteMatches(text, matches);
      }  

      static void Find2()
      {
         string text = @"XML has made a major impact in almost every aspect of
            software development. Designed as an open, extensible, self-describing
            language, it has become the standard for data and document delivery on
            the web. The panoply of XML-related technologies continues to develop
            at breakneck speed, to enable validation, navigation, transformation,
            linking, querying, description, and messaging of data.";
         string pattern = @"\bn";
         MatchCollection matches = Regex.Matches(text, pattern,
           RegexOptions.IgnoreCase);
         WriteMatches(text, matches);
      }

      static void WriteMatches(string text, MatchCollection matches)
      {
         Console.WriteLine("Original text was: \n\n" + text + "\n");
         Console.WriteLine("No. of matches: " + matches.Count);
         foreach (Match nextMatch in matches)
         {
            int Index = nextMatch.Index;
            string result = nextMatch.ToString();