be written as "<code>/images/.*(jpg|gif)$</code>". In places where
regular expressions are used to replace strings, the special variables
$1 ... $9 contain backreferences to the grouped parts (in parentheses) of
- the matched expression. The special variable $0 contains a backerference
+ the matched expression. The special variable $0 contains a backreference
to the whole matched expression. To write a literal dollar sign in a
replacement string, it can be escaped with a backslash. Historically, the
variable & could be used as alias for $0 in some places. This is no
be written as "<code>/images/.*(jpg|gif)$</code>". In places where
regular expressions are used to replace strings, the special variables
$1 ... $9 contain backreferences to the grouped parts (in parentheses) of
- the matched expression. The special variable $0 contains a backerference
+ the matched expression. The special variable $0 contains a backreference
to the whole matched expression. To write a literal dollar sign in a
replacement string, it can be escaped with a backslash. Historically, the
variable & could be used as alias for $0 in some places. This is no