Install libregexp-reggrp-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libregexp-reggrp-perl
Description:
Perl module for grouping regular expressions
Regexp::RegGrp is a pure Perl library providing an object-oriented API for grouping regular expressions into a single group of regular expressions.
Homepage: http://search.cpan.org/dist/Regexp-RegGrp/
Version: 1.002001-1
Section: universe/perl