#!/usr/bin/perl

# URL that generated this code:
# http://txt2re.com/index.php3?s=42%2043&2&11&13&3

$txt='42 43';

$re1='(.)';	# Any Single Character 1
$re2='((?:(?:[0-2]?\\d{1})|(?:[3][01]{1})))(?![\\d])';	# Day 1
$re3='(.)';	# Any Single Character 2
$re4='.*?';	# Non-greedy match on filler
$re5='(\\d+)';	# Integer Number 1

$re=$re1.$re2.$re3.$re4.$re5;
if ($txt =~ m/$re/is)
{
    $c1=$1;
    $day1=$2;
    $c2=$3;
    $int1=$4;
    print "($c1) ($day1) ($c2) ($int1) \n";
}

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