**:s/foo/bar/g
**Find each occurrence of 'foo' (in the current line only), and replace it with 'bar'.
**:%s/foo/bar/g
**Find each occurrence of 'foo' (in all lines), and replace it with 'bar'.
**:%s/foo/bar/gc
**Change each 'foo' to 'bar', but ask for confirmation first.
**:%s/\\<foo\\>/bar/gc
**Change only whole words exactly matching 'foo' to 'bar'; ask for confirmation.
**:%s/foo/bar/gci
**Change each 'foo' (case insensitive due to the i
flag) to 'bar'; ask for confirmation.:%s/foo\\c/bar/gc
is the same because \\c
makes the search case insensitive.This may be wanted after using :set noignorecase
to make searches case sensitive (the default).
**:%s/foo/bar/gcI
**Change each 'foo' (case sensitive due to the I
flag) to 'bar'; ask for confirmation.:%s/foo\\C/bar/gc
is the same because \\C
makes the search case sensitive.This may be wanted after using :set ignorecase
to make searches case insensitive.