Extract Title from html link

Question

I have the following HTML string:

The Link.  

How can I extract title from the HTML s

Answer 1

As you have the HtmlAgilityPack already, you can extract the "title" attribute like this:

Option Infer On
Option Strict On

Imports HtmlAgilityPack

Module Module1

    Sub Main()
        Dim a = "<a href=""/tothepage"" title=""the page"">The Link</a>."
        Dim doc As New HtmlDocument()
        doc.LoadHtml(a)
        Dim node = doc.DocumentNode.SelectSingleNode("/a")
        Dim title = node?.Attributes("title")?.Value

        Console.WriteLine(title) ' outputs "the page"

        Console.ReadLine()

    End Sub

End Module

Of course, you won't need that many lines of code as that is a complete working example.

The ?. parts prevent it from throwing an error if node is Nothing (in this case if there wasn't an "<a>" element) and prevent it from throwing an error if there is no "title" attribute.

Answer 2

With a regular expression, the group will contain it ([^"]*):

title="([^"]*)"

C#

using System.Text.RegularExpressions;
static void Main(string[] args)
    {
        string originalString = "<a href=\" / tothepage\" title=\"the page\">The Link</a>.";
        Regex rgx = new Regex("title=\"([^\"]*)\"", RegexOptions.IgnoreCase);
        Match match = rgx.Matches(originalString)[0];
        Console.WriteLine(match.Groups[1]);
        Console.ReadLine();
    }