vim

vim extra space when copy

Turn off adding spaces to newline when copy to vim

:set paste

revert with
:set nopaste

Find and replace all occurences of item foo for item bar in text
:%s/foo/bar/g

or with escape character
this will replace /foo/bar with /foo/bar2
:%s,foo/bar,foo/bar2,g

Remove first 2 characters, no matter what they are
:%normal 2x
Remove first 2 characters, only if they are spaces
:%s/^ /

Add 2 whitespaces at the beggining of selected lines
'<,'>s!^! !