use strict;
my $str = '"2020/04/07 08:26:21","shabbir.jafri@mcb.com.pk","REQUIRED ORIGINAL LC # 0054ILS200@!±026, MCB to MCB.(NOVATEX)","Accepted","ppta.treasury@lottechem.pk","None","None","None","Clean","None","Portable Document Format","131835","None","None","None"
"2020/04/05 15:20:02","telecom.support@mcb.com.pk","MCB14005 Lhr: Gulberg Gelria - ATM Down","Accepted","Abbas.Zaheer@ncr.com","Zaheer, Abbas","Whitelisted","None","Spam","None","JPEG Interchange Format,JPEG Interchange Format,JPEG Interchange Format,JPEG Interchange Format","18837","None","None","None"
"2020/04/07 08:27:02","narain.das@mcb.com.pk","New Doc 2020-04-07 13.25.15 - Page 1","Accepted","naraindas24@gmail.com","Narain Das","None","None","Clean","None","Portable Document Format","397990","None","None","None"';
my $regex = qr/^\"(?<timestart>\d{4}\/\d{2}\/\d{2}\s\d{2}\:\d{2}\:\d{2})?([\"|\,]*)?(?<recipient>[\w|\.|\-|_|\d]*@(?<domainimpacted>[\w|\.|\-|_|\d]*))?([\"|\,]*)?(?<subject>[\w|\s|\#|\@|\±|\§|\d|\!|\$|\%|\^|\,|\.|\(|\)|\[|\]|\{|\}|\:|\-|\&|\*|\'|\=|\+]*)?([\"|\,]*)?(?<action>\w*)?([\"|\,]*)?(?<sender>[\w|\.|\-|_|\d]*@(?<domainorigin>[\w|\.|\-|_|\d]*))?([\"|\,]*)?(?<account>[\w|\.|\-|_|\d|\,|\s]*)?([\"|\,]*)?(?<status>[\w|\.|\-|_|\d]*)?([\"|\,]*)?(?<object>[\w|\.|\-|_|\d]*)?([\"|\,]*)?(?<reason>[\w|\.|\-|_|\d]*)?([\"|\,]*)?(?<policy>[\w|\.|\-|_|\d]*)?([\"|\,]*)?(?<objecttype>[\w|\.|\-|_|\d|\s|\,]*)?([\"|\,]*)?(?<size>[\d]*)?([\"|\,]*)?(?<command>[\w|\.|\-|_|\d]*)?([\"|\,]*)?(?<objectname>[\w|\.|\-|_|\d]*)?([\"|\,]*)?(?<threatname>[\w|\.|\-|_|\d]*)?([\"|\,]*)?/mp;
if ( $str =~ /$regex/g ) {
print "Whole match is ${^MATCH} and its start/end positions can be obtained via \$-[0] and \$+[0]\n";
# print "Capture Group 1 is $1 and its start/end positions can be obtained via \$-[1] and \$+[1]\n";
# print "Capture Group 2 is $2 ... and so on\n";
}
# ${^POSTMATCH} and ${^PREMATCH} are also available with the use of '/p'
# Named capture groups can be called via $+{name}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Perl, please visit: http://perldoc.perl.org/perlre.html