Vim quick reference
From thelinuxwiki
search and replace
Change each 'foo' to 'bar' in the current line
:s/foo/bar/g
Change each 'foo' to 'bar' in all lines
:%s/foo/bar/g
Change each 'foo' to 'bar' for all lines from line 5 to line 12 inclusive
:5,12s/foo/bar/g