use strict;
my $str = '<p>paragraph<a>link</a></p>
<div class="myclass">
<div>something</div>
<div style="mystyle">something</div>
<b><a href="#">link</a></b>
<b><a href="#" name="a name">link</a></b>
<b style="color:red">bold</b>
<img src="../path" alt="something" />
<img src="../path" alt="something" class="myclass" />
</div>\'';
my $regex = qr/<[a-z]+ .*?(href|src|alt)="[^"]+"/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