use strict;
my $str = 'IDCHES0002068<8<<<<<<<<<<<<<<<
8102287F1301014CHE<<<<<<<<<<<4
VADIS<<QUO<<<<<<<<<<<<<<<<<<<<
I<UTOD231458907<<<<<<<<<<<<<<<
7408122F1204159UTO<<<<<<<<<<<6
ERIKSSON<<ANNA<MARIA<<<<<<<<<<
I<NLDXI020DF236123456783<<<<<<
7208148F1108268NLD<<<<<<<<<<<9
VAN<DER<STEEN<<MARIANNE<LOUISE';
my $regex = qr/(?<type>[A-Za-z]{1})(?<subtype>[A-Za-z<]{1})(?<expcountry>[A-Za-z]{3})(?<docnumber>[0-9A-Za-z<]{9})(?<docnumbercheck>[0-9]{1})(?<complement>[0-9a-zA-Z<]{15})\n(?<birthdate>[0-9]{6})(?<birthcheck>[0-9]{1})(?<sex>[mfMF]{1})(?<expiredate>[0-9]{6})(?<expirecheck>[0-9]{1})(?<nacionality>[A-Za-z]{3})(?<optional>[a-zA-Z0-9<]{11})(?<linecheck>[0-9]{1})\n(?<lname>[A-Z]+)(?<lname2><[A-Z]+){0,}<<(?<spacing>[<]{0,})(?<fname>[A-Z]+)(?<mname1><[A-Z]+){0,}(?<namecomplement>[a-zA-Z<]+){0,}/p;
if ( $str =~ /$regex/ ) {
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