June 2003
Intermediate to advanced
800 pages
34h 20m
English
Content preview from Microsoft® Visual Basic® .NET Programmer's CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Find All Links in a Web Page
Problem
You want to retrieve all the hyperlinks in a Web page (perhaps because you want to download those pages also).
Solution
Retrieve the page using WebResponse, and use a regular expression to search for URIs.
Discussion
Retrieving links in a Web page is conceptually quite easy but often more difficult in practice. The problem is that Web pages follow a semi-standardized format and tolerate a great deal of variance. For example, a hyperlink can be added in the href attribute of an anchor, the onclick attribute of a JavaScript element such as a button, and so on. The URI itself could be relative (in which case it needs to be interpreted relative to the current page), fully qualified (in which case it can have one of ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.