asp.net - Parse page HTML output -

I want to know one (or more) ways to parse the HTML page output. I want to find out some patterns on HTML that will be sent to the customer and if present then enter some information.

  page. Render  

method, override it and do whatever you want.

>

  Protected Override Zero Submission (HtmlTextWriter Authors) {// StringBuilder StringBuilder = New StringBuilder (here); String Vitter String Water = New String Vibrator (Stringbuilder); HtmlTextWriter htmlTextWriter = new HtmlTextWriter (stringWriter); Base.Render (htmlTextWriter); // & lt; - Submitting a page in htmlTextwriter // Adds the HTMLTextwriter string string to the string Biblical string theHTML = stringBuilder.ToString (); // & lt; Captured in ---- html string ---------------------------------------- ----- // Here is the HTML content -------------------------------- ------ ------- Author. White (HHML); // & lt; ---- Write HTML with the original author