You can use the following:
$regex = '#<\s*?code\b[^>]*>(.*?)</code\b[^>]*>#s';
\b
ensures that a typo (like<codeS>
) is not captured.- The first pattern
[^>]*
captures the content of a tag with attributes (eg a class). - Finally, the flag
s
capture content with newlines.
See the result here : http://lumadis.be/regex/test_regex.php?id=1081