use strict;
my $str = '[2] O. Y. Abramov, “Industry Best Practices And The Role Of TRIZ In Developing New Products,” in ResearchGate, 2013.
[3] D. Cavallucci, S. Fuhlhaber, and A. Riwan, “Assisting Decisions in Inventive Design of Complex Engineering Systems,” Procedia Eng., vol. 131, pp. 975–983, 2015.
[4] W. Yan, H. Liu, C. Zanni-Merk, and D. Cavallucci, “IngeniousTRIZ: An automatic ontology-based system for solving inventive problems,” Knowl.-Based Syst., vol. 75, pp. 52–65, Feb. 2015.
[5] B.Campbell,“Brainstorming and TRIZ,” TRIZ J., 2003. February,http://www.triz journal.com/archives/2003/02/index.htm.
[6] A. Aamodt and E. Plaza, “Case-based reasoning: Foundational issues, methodological variations, and system approaches,” AI Commun., vol. 7, no. 1, pp. 39–59, 1994.';
my $regex = qr/\[.\]
/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