MtDew

using System;
using System.Collections;
using System.Text.RegularExpressions;

public class MyClass
{
	public static void Main()
	{
		string stringToMatch = @"<p>new text
					more text for version 2
					An internal link to <a class=""internal"" href=""Show.aspx?PageName=Page+Name"">Page Name</a>.
					An internal link to <a class=""create"" href=""Edit.aspx?PageName=A+Page"">A Page</a> that doesn't exist.
					An external link to <a class=""external"" href=""http://localhost"">localhost</a>.</p>
				<br/>
				<br/>
				<br/>
				<p>some lines later, should be in a new paragraph.</p>
				";
		string pattern = @"(?<=<p(?:[\W\w]?)*?>)(?<Text>.[\w\W]*?)?(?=</p>)";
		Regex r = new Regex(pattern, RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.IgnorePatternWhitespace);
		int i = 0;
		foreach(Match m in r.Matches(stringToMatch)){
			Console.WriteLine(string.Format("------------BEGIN MATCH {0}------------", i));
			Console.WriteLine(m.Value);
			Console.WriteLine(string.Format("-------------END MATCH {0}-------------", i));
			i++;
		}
		RL();
	}
	
	#region Helper methods

	private static void WL(object text, params object[] args)
	{
		Console.WriteLine(text.ToString(), args);	
	}
	
	private static void RL()
	{
		Console.ReadLine();	
	}
	
	private static void Break() 
	{
		System.Diagnostics.Debugger.Break();
	}

	#endregion
}



Microsoft (R) Visual C# .NET Compiler version 7.10.6001.4
for Microsoft (R) .NET Framework version 1.1.4322
Copyright (C) Microsoft Corporation 2001-2002. All rights reserved.

------------BEGIN MATCH 0------------
new text
					more text for version 2
					An internal link to <a class="internal" href="Show.aspx?PageName=Page+Name">Page Name</a>.
					An internal link to <a class="create" href="Edit.aspx?PageName=A+Page">A Page</a> that doesn't exist.
					An external link to <a class="external" href="http://localhost">localhost</a>.
-------------END MATCH 0-------------
------------BEGIN MATCH 1------------
some lines later, should be in a new paragraph.
-------------END MATCH 1-------------




Microsoft (R) Visual C# 2005 Compiler version 8.00.50727.42
for Microsoft (R) Windows (R) 2005 Framework version 2.0.50727
Copyright (C) Microsoft Corporation 2001-2005. All rights reserved.

------------BEGIN MATCH 0------------
new text
					more text for version 2
					An internal link to <a class="internal" href="Show.aspx?PageName=Page+Name">Page Name</a>.
					An internal link to <a class="create" href="Edit.aspx?PageName=A+Page">A Page</a> that doesn't exist.
					An external link to <a class="external" href="http://localhost">localhost</a>.
-------------END MATCH 0-------------
------------BEGIN MATCH 1------------
some lines later, should be in a new paragraph.
-------------END MATCH 1-------------