Name 

Type 

Required 

Configurable 

Description 

match 

String 

Yes 

Yes 

A case-sensitive Perl5 regular expression which is sought for in the input.  

replace 

String 

Yes 

Yes 

A Perl5 replacement value substituted for each occurrence of the pattern given by “match”. This value is not interpreted verbatim: the construct $n is interpreted as the nth parenthesized expression inside the matching expression.