/usr/bin/re.pl is in libdevel-repl-perl 1.003012-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 | #!/usr/bin/env perl
=head1 NAME
re.pl - a modern Perl interactive shell
=head1 DESCRIPTION
See the Devel::REPL man page
=cut
use Devel::REPL::Script 'run';
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