use strict; use warnings; use Regexp::Assemble; my $re=Regexp::Assemble->new(); $re->add('ntv\.com/very-own/'); $re->add('ntv\.com/business/'); $re->add('ntv\.com.wid-prl.com/very-own/'); $re->add('ltv\.com/very-own/'); print $re->re."\n";