Extract text from html source

[astradamasta]

i am trying to extract some usernames from a website. normally i dont have a problem and but cant get it to work...here is the code i normally use

For Each temp As HtmlElement In WebBrowser1.Document.Links
Dim str As String = Nothing
str = temp.GetAttribute("href")
If str.Contains("profile") Then
Dim x() As String
x = str.Split("=")
ListBox1.Items.Add(x(1))
End If
str = Nothing
Next

but this is the html code i want to get from

<a href="http://help.com/?status=@astradamasta%20&in_reply_to_status

how would i go about getting the user which is astradamasta

thanks in advance