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  1. or download this
    my $regex = qr{href\s*=\s*".*?"};
  2. or download this
    use strict;
use warnings; # this is also useful
...
__DATA__
afjalsdfj href="asfasdfa" afdsas href="akjshfakjsd"
href = "ajsfhaklj"
  3. or download this
    use strict;
use warnings;
...
<a href="foo" class="class">link</a>
<p>some <a href="link">text</a> and <a href="another_link">more</a>
</body></html>