Lazy quantifier

gistfile1.php

<?php

$subject = <<<EOF
<style type="text/css">
  p { 
    font-size: 100500px;
  }
</style>

some text

<style type="text/css">
  b {
    font-weight: normal;
  }
</style>
EOF;

$pattern = '#<style type="text/css">.*</style>#is';

$s = preg_replace($pattern, '', $subject);

echo 'without lazy: ' . $s . '<br />';

/* @see http://www.php.net/manual/en/regexp.reference.repetition.php */
$pattern = '#<style type="text/css">.*?</style>#is';

$s = preg_replace($pattern, '', $subject);

echo 'lazy: ' . $s . '<br />';