using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"(<p>)((?!<\/p>).)*?(<p>).*?(<\/p>)";
string input = @"<html><body><tile> <table><tbody><tr><td><p>Lorem Ipsum is simply dummy text of the printing and typesetting industry.</p></td><td><p>Lorem Ipsum is simply dummy text of the printing and typesetting industry.</p></td></tr></tbody></table><p>Hello there <p>Some Content </p>outer content <p>Some More content</p>hello</p>";
foreach (Match m in Regex.Matches(input, pattern))
{
Console.WriteLine("'{0}' found at index {1}.", m.Value, m.Index);
}
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx