use strict;
my $str = '<h2>Misrepresentation of the Facts</h2>
</script>
<!-- Articles - Leaderboard 728x90 -->
</iframe></ins></ins></ins>
<script>
(adsbygoogle = window.adsbygoogle || []).push({});
</script>
<h2>Who Can Commit the Crime</h2>
</script>
<!-- Articles - Leaderboard 728x90 -->
</iframe></ins></ins></ins>
<script>
(adsbygoogle = window.adsbygoogle || []).push({});
</script>';
my $regex = qr/(<\/script>[\s\S]*?<\/script>)/mp;
my $subst = '';
my $result = $str =~ s/$regex/$subst/rg;
print "The result of the substitution is' $result\n";
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