#!/usr/bin/perl

# URL that generated this code:
# http://txt2re.com/index.php3?s=11:Feb:2019%20%22This%20is%20an%20Example!%22&11&-58&-69&-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='((?:[a-z][a-z0-9_]*))';	# Variable Name 1
$re6='.*?';	# Non-greedy match on filler
$re7='(2)';	# Any Single Character 1
$re8='.*?';	# Non-greedy match on filler
$re9='e';	# Uninteresting: c
$re10='.*?';	# Non-greedy match on filler
$re11='(e)';	# Any Single Character 2

$re=$re1.$re2.$re3.$re4.$re5.$re6.$re7.$re8.$re9.$re10.$re11;
if ($txt =~ m/$re/is)
{
    $d1=$1;
    $var1=$2;
    $c1=$3;
    $c2=$4;
    print "($d1) ($var1) ($c1) ($c2) \n";
}

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