use strict;
my $str = '<div> foo <div> bar </div>
<div> bar </div> baz </div>
<div> foo <div> bar </div> baz </div>
<div>< <span>Foo</span> ></div>
<div>< <span>Foo</span> v></div>
<div>< <span>Foo</span> iv></div>
<div>< <span>Foo</span> div></div>
<div>< <span>Foo</span> /div></div>
<div>< <span>Foo</span> </div></div>
<div><d <span>Foo</span> ></div>
<div><d <span>Foo</span> v></div>
<div><d <span>Foo</span> iv></div>
<div><d <span>Foo</span> div></div>
<div><d <span>Foo</span> /div></div>
<div><d <span>Foo</span> </div></div>
<div><di <span>Foo</span> ></div>
<div><di <span>Foo</span> v></div>
<div><di <span>Foo</span> iv></div>
<div><di <span>Foo</span> div></div>
<div><di <span>Foo</span> /div></div>
<div><di <span>Foo</span> </div></div>
<div><div <span>Foo</span> ></div>
<div><div <span>Foo</span> v></div>
<div><div <span>Foo</span> iv></div>
<div><div <span>Foo</span> div></div>
<div><div <span>Foo</span> /div></div>
<div><div <span>Foo</span> </div></div>
<div><div> <span>Foo</span> ></div>
<div><div> <span>Foo</span> v></div>
<div><div> <span>Foo</span> iv></div>
<div><div> <span>Foo</span> div></div>
<div><div> <span>Foo</span> /div></div>
<div><div> <span>Foo</span> </div></div>';
my $regex = qr`<div>((?:[^<]|<[^d]|<d[^i]|<di[^v]|<div[^>])*?)</div>`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