# I want to match all /italics text/ and replace 
# it with <i>italics text</i>
# except, I don't want to match the text in
# [http://somewhere.com/foo/bar.html|Somewhere Else]
# in other words, I don't want to end up with
# [http:<i></i><i>somwhere.com</i><i>foo</i>bar.html...