module sed sed [args]
The following arguments may be given in the statement above:
Use case-insensitive expressions.
Use case-sensitive expressions. This is the default.
Use extended regular expressions. This is the default.
Use basic regular expressions.
sed module is designed for transformations in the
first place, it may also be used as a conventional lookup database
(see sed lookups). The following options modify its behavior in
Use str for positive replies.
Use str for negative replies.
Reply with str if an error occurred.