Question

I have strings like this:

<img width="1" height="1" alt="" src="http://row.bc.yahoo.com.link">

What regex should I have to write in C# to extract src portion of it ? (end result should be “http://row.bc.yahoo.com.link” )

Answer 1

If you are dealing with HTML you’re better of using a HTML parser like the HTML Agility Pack.

Sample:

var doc = new HtmlDocument();

doc.LoadHtml(
    "<img width=\"1\" height=\"1\" alt=\"\" src=\"http://row.bc.yahoo.com.link\">");

var anchor = doc.DocumentNode.Element("img");

Console.WriteLine(anchor.Attributes["src"].Value);

---

Update:
If you are already using the HTML agility pack and have selected all the img tags from the document using XPath you need to iterate them and access the src attribute:

var imgs = doc.DocumentNode.SelectNodes("//img/@src");

foreach (var node in imgs)
{
    Console.WriteLine(node.Attributes["src"].Value);
}