Perl modules for parsing HTML:
HTML::Entities - Encode or decode strings with HTML entities
HTML::Filter - Filter HTML text through the parser
HTML::HeadParser - Parse section of a HTML document
HTML::LinkExtor - Extract links from an HTML document
HTML::Parser - HTML parser class
HTML::PullParser - Alternative HTML::Parser interface
HTML::TokeParser - Alternative HTML::Parser interface
See https://metacpan.org/pod/HTML::Parser