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/usr/bin/perl -w # # roman - generate a regular expression that matches the roman numerals # from 1 to 20. # # you can over-ride the upper bound (20) by specifying the value # on the command line. You can also specify an indent value to # pretty-print the resulting regexp. # # Copyright (C) David Landgren 2005 use strict; use Regexp::Assemble; my $max = shift || 20; my $indent = shift || 0; eval "use Math::Roman 'roman'"; $@ and die "You must install Math::Roman to run this example\n"; my $r = Regexp::Assemble->new; $r->add(roman($_)) for 1..$max; print $r->as_string( indent => $indent ), "\n";
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