use strict;
my $str = 'Grade = 1
Student number, Name
0, Phoebe
1, Rachel
Student number, Score
0, 3
1, 7
';
my $regex = qr/^
Student\ number,\ Name[\n\r]
(?P<student_names>(?:^\d+.+[\n\r])+)
\s*
^
Student\ number,\ Score[\n\r]
(?P<student_scores>(?:^\d+.+[\n\r])+)/mxp;
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