How to Run A Perl REPL

Question:

I suppose Perl has a REPL for some simple inputs, but there is not. So I wonder is there a interactive form within Perl itself or I must install some other add-in or REPL programs for Perl.

Answer:

perl -de1

also:

perl -d -e 1

There also some external implements for Perl`s REPL. Look at reference:

reference: stackoverflow