#!/usr/bin/perl

# URL that generated this code:
# http://txt2re.com/index.php3?s=42%2043&10&4

$txt='42 43';

$re1='.*?';	# Non-greedy match on filler
$re2='.';	# Uninteresting: c
$re3='.*?';	# Non-greedy match on filler
$re4='.';	# Uninteresting: c
$re5='(.)';	# Any Single Character 1
$re6='.*?';	# Non-greedy match on filler
$re7='(?:(?:[0-2]?\\d{1})|(?:[3][01]{1}))(?![\\d])';	# Uninteresting: day
$re8='.*?';	# Non-greedy match on filler
$re9='((?:(?:[0-2]?\\d{1})|(?:[3][01]{1})))(?![\\d])';	# Day 1

$re=$re1.$re2.$re3.$re4.$re5.$re6.$re7.$re8.$re9;
if ($txt =~ m/$re/is)
{
    $c1=$1;
    $day1=$2;
    print "($c1) ($day1) \n";
}

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