LINQPad to parse specific github README.md and generate reddit markdown TOC

folger toc.linq

var readme = "https://github.com/cyberkni/FolgertechManuals/blob/master/2020i3/README.md";
var includes = new[] { "id=\"user-content-", "href=\"#" };
var excludes = new[] { "<article" };
// input
IEnumerable<XElement> elements;
using (var client = new WebClient())
{
	elements = from line in client.DownloadString(readme).Split('\n')
			   where
				   includes.All(include => line.Contains(include))
				   && excludes.All(exclude => !line.Contains(exclude))
			   select XElement.Parse(line);
}
// output
var template = "[{0}]({1}{2})\n";
var links = from element in elements
			let text = element.Value
			let href = element.Descendants("a").First().Attribute("href").Value
			let markdown = string.Format(template, text, readme, href)
			let link = new Hyperlinq(new Uri(readme + href).ToString(), text)
			select new { markdown, link };
links.Dump();