use strict;

my $test = 'The brown fox int(10) over float(200) fence.';

my %dict = (
    'brown'      => 'yellow',
    /int(\d+)/   => 'int',
    /float(\d+)/ => 'float',
);

use Data::Dumper;
warn Dumper \%dict;
__END__
$VAR1 = {
          'int' => 'float',
          'brown' => 'yellow'
        };