URI::Find finds absolute URIs in plain text with some weak heuristics
for finding schemeless URIs. This subclass is for finding things
which might be URIs in free text. Things like www.foo.com and
The heuristics are such that it hopefully finds a minimum of false
positives, but theres no easy way for it know if COMMAND.COM refers
to a web site or a file.
my $tld_re = $self->top_level_domain_re;
Returns the regex for matching top level DNS domains. The regex shouldnt
be anchored, it shouldnt do any capturing matches, and it should make
itself ignore case.