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I don't like using regular expressions on HTML documents, so my approach would be to use a proper HTML parser instead. This has a number of benefits, including the decoding of entities in the HTML representing the email address. This code uses LWP::UserAgent to fetch the HTML document, HTML::TokeParser to read it, and URI to parse the URIs in it.
#!/usr/bin/perl use strict; use warnings; use LWP::UserAgent; use HTML::TokeParser; use URI; my $ua = LWP::UserAgent->new; $ua->timeout(10); my $root_uri = 'http://example.com/'; my $response = $ua->get($root_uri); if ($response->is_success) { my $html = $response->decoded_content; my $p = HTML::TokeParser->new( \$html ); while (my $tag = $p->get_tag('a')) { my $href = $tag->[1]{href}; next unless $href; my $uri = URI->new_abs( $href, $root_uri ); next unless ($uri->scheme eq 'mailto'); print $uri->to, "\n"; } } else { die $response->status_line; }

In reply to Extracting email addresses from mailto URIs using HTML and URI parsers instead of regular expressions by dorward
in thread How to extract an email address from a mailto URL? by jdlev

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