c# text from html
private string GetPlainTextFromHtml(string htmlString)
{
string htmlTagPattern = "<.*?>";
var regexCss = new Regex("(\\<script(.+?)\\</script\\>)|(\\<style(.+?)\\</style\\>)", RegexOptions.Singleline | RegexOptions.IgnoreCase);
htmlString = regexCss.Replace(htmlString, string.Empty);
htmlString = Regex.Replace(htmlString, htmlTagPattern, string.Empty);
htmlString = Regex.Replace(htmlString, @"^\s+$[\r\n]*", "", RegexOptions.Multiline);
htmlString = htmlString.Replace(" ", string.Empty);
return htmlString;
}