Install libhtml-highlight-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libhtml-highlight-perl
Description:
Perl module for highlighting words or patterns in HTML documents
HTML::Highlight provides Google-like highlighting of words or patterns in HTML documents. This feature is typically used to highlight search results. Each specified pattern or word is highlighted using a different color.
Homepage: http://search.cpan.org/dist/HTML-Highlight/
Version: 0.20-6
Section: universe/perl