#!/usr/bin/perl

# URL that generated this code:
# http://txt2re.com/index.php3?s=42%2043&-8&14

$txt='42 43';

$re1='(4)';	# Any Single Digit 1
$re2='.*?';	# Non-greedy match on filler
$re3='.';	# Uninteresting: c
$re4='.*?';	# Non-greedy match on filler
$re5='.';	# Uninteresting: c
$re6='.*?';	# Non-greedy match on filler
$re7='(.)';	# Any Single Character 1

$re=$re1.$re2.$re3.$re4.$re5.$re6.$re7;
if ($txt =~ m/$re/is)
{
    $d1=$1;
    $c1=$2;
    print "($d1) ($c1) \n";
}

#-----
# Paste the code into a new perl file. Then in Unix:
# $ perl x.pl 
#-----