use strict;
my $str = 'IDCHES0002068<8<<<<<<<<<<<<<<<
8102287F1301014CHE<<<<<<<<<<<4
VADIS<<QUO<<<<<<<<<<<<<<<<<<<<
I<NLDXI020DF236123456783<<<<<<
7208148F1108268NLD<<<<<<<<<<<9
VAN<DER<STEEN<<MARIANNE<LOUISE';
my $regex = qr/(?<type>[A-Z]{1})(?<subtype>[A-Z<]{1})(?<issue_country>[A-Z]{3})(?<doc_number>[A-Z0-9<]{9})(?<check_sum>[0-9]{1})(?<first_optional>[A-Z0-9<]{15})\n(?<date_brith>[0-9]{6})(?<birth_check>[0-9{1}])(?<sex>[MF]{1})(?<expiration_date>[0-9]{6})(?<expiration_check>[0-9]{1})(?<nationality>[A-Z]{3})(?<second_optional>[A-Z0-9<]{11})(?<check_digit>[0-9]{1})\n(?<lname>[A-Z]+)(?<lname2><[A-Z]+){0,}<<(?<spacing>[<]{0,})(?<fname>[A-Z]+)(?<mname1><[A-Z]+){0,}(?<complement><.+){0,}/p;
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