#!/usr/bin/perl

# URL that generated this code:
# http://txt2re.com/index.php3?s=11:Feb:2019%20%22This%20is%20an%20Example!%22&14&-43

$txt='11:Feb:2019 "This is an Example!"';

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

$re=$re1.$re2.$re3.$re4.$re5.$re6.$re7;
if ($txt =~ m/$re/is)
{
    $d1=$1;
    $day1=$2;
    print "($d1) ($day1) \n";
}

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