#!/usr/bin/perl -p
s-^(((((((h?t)?)t)?p)?:)?/)?/)?(?=\w+\.)-http://-;
__END__
http://www.perlmonks.org/
ttp://www.perlmonks.org/
tp://www.perlmonks.org/
p://www.perlmonks.org/
://www.perlmonks.org/
//www.perlmonks.org/
/www.perlmonks.org/
www.perlmonks.org/

##</code><code>##

http://www.perlmonks.org/
http://www.perlmonks.org/
http://www.perlmonks.org/
http://www.perlmonks.org/
http://www.perlmonks.org/
http://www.perlmonks.org/
http://www.perlmonks.org/
http://www.perlmonks.org/