$VAR1 = {
          'regex' => {
                       '.*/home/members/index.htm.*' => {
                                                          '404' => {
                                                                     'reporting' => '1000',
                                                                     'paging' => '2000'
                                                                   }
                                                        }
                     }
        };
##</code><code>##

#!/usr/bin/env perl
use strict;
use warnings;
use JSON;
use Data::Dumper;

my $contents = `cat progconfig.json`;
my $config = JSON->new->decode($contents);

my $re = (keys %{$config->{regex}})[0];
print "re: $re\n";
my $path = '/some/fake/path/home/members/index.html';
if ( $path =~ /$re/ )
{
    print "$path matched regex\n";
}

##</code><code>##

re: .*/home/members/index.htm.*
/some/fake/path/home/members/index.html matched regex