#!/usr/bin/perl
use URI::Heuristic qw(uf_uristr);
use strict;
my $url;
my $input = "<a href = http://www.perlmonks.com>perlmonks</a>";
#my $input = "www.perlmonks.com";
if ($input =~ /^</) {
    $input =~ /<a\s+href\s*=\s*(.*)>.*<\/a>/i;
    $url = uf_uristr("$1");
} else {
    $url = uf_uristr("$input");
}

print "<a href=$url>$url</a>";