good regex tips

gistfile1.txt

localize the first and final line

start the line: ^
end of the line: $

replace www. to a tag:

\b((?:[a-z][\w-]+:(?:/{1,3}|[a-z0-9%])|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:\'".,<>?«»“”‘’]))

<a href="http://\1" target="_blank">\1</a>

replace start and final the line:

^(.*)$
<p>\1</p>