#!/usr/bin/perl -ws use Parse::RecDescent; my $street_type = join '|', qw { Street St\.? Road Rd Avenue Ave\.? Lane Way Highway Hwy }; sub Parse::RecDescent::street_name { print join('|', @_), "\n"; $_[1] =~ s/\A\s*(([A-Z]+\s+)+($street_type))//io; return $1; } my $parser = Parse::RecDescent->new(<<'EOGRAMMAR'); addr: /\d+[A-Z]?/i street_name { print "Number $item[1] in $item{street_name}\n" } EOGRAMMAR while (<>) { $parser->addr($_); }