use strict;
my $str = 'XX-99-99
2 1965 99-99-XX
3 1973 99-XX-99
4 1978 XX-99-XX
5 1991 XX-XX-99
6 1999 99-XX-XX
7 2005 99-XXX-9
8 2009 9-XXX-99
9 2006 XX-999-X
10 2008 X-999-XX
11 2015 XXX-99-X';
my $regex = qr/(([0-9]{1,2}|[a-z]{1,3})-([0-9]{2,3}|[a-z]{2,3})-([0-9]{1,2}|[a-z]{1,2}))/ip;
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