🚀 go-pugleaf

In "vi" (boo! hiss!), you can do something like this:

	:g/pattern/d

to delete all the lines in a file that contain the pattern "pattern".

Or this:

	:g/pattern/s/p1/p2/

to substitute p2 for p1 in all lines containing the pattern "pattern".

Is there some way to do this in Emacs, short of writing elisp code?
(Or if not, has someone already written appropriate elisp code?)

Any suggestions?

--
   Steve Baumgarten             | "New York... when civilization falls apart,
   Davis Polk & Wardwell        |  remember, we were way ahead of you."
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   cmcl2!esquire!baumgart       |                           - David Letterman