What's the best way to write this regular expression?

[alex23]

John Salerno <johnj... at gmail.com> wrote:
> So much work just to get a 3rd party module installed!

"New! Try out the beta release of Beautiful Soup 4. (Last updated
February 28, 2012)
easy_install beautifulsoup4 or pip install beautifulsoup4 or download
a tarball."

http://www.crummy.com/software/BeautifulSoup/

Worked fine under both Python 2.7 & 3.2 using pip.