use strict;
my $str = '[42, "abc", ["foo", "bar"], 10]';
my $regex = qr/(?x) # ignore les espaces et permet donc l'indentation
(?(DEFINE)
(?<string> ".*?" )
(?<number> \d+ )
(?<value>
\s* (?:
(?&string)
| (?&number)
| (?&list)
) \s*
)
(?<list> \[ (?&value) (?: , (?&value) )* \] )
)
^(?&value)$/mp;
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