NetStandard version of HtmlAgilityPack.CssSelector which use HtmlAgilityPack
Install-Package HtmlAgilityPack.CssSelectors.NetCorevar doc = new HtmlAgilityPack.HtmlDocument();
doc.Load(new FileStream("test.html", FileMode.Open));
IList<HtmlNode> nodes = doc.QuerySelectorAll("div .my-class[data-attr=123] > ul li");
HtmlNode node = nodes[0].QuerySelector("p.with-this-class span[data-myattr]");