Regular expression for parsing links from a webpage?

Question

I\'m looking for a .NET regular expression extract all the URLs from a webpage but haven\'t found one to be comprehensive enough to cover all the different ways you can spec

Answer 1

((mailto\:|(news|(ht|f)tp(s?))\://){1}\S+)

I took this from regexlib.com

[editor's note: the {1} has no real function in this regex; see this post]