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preg_match_all
markuppreg_match_all("|<[^>]+>(.*)</[^>]+>|U",
[] character class, it looks for anything but >
- one or more times between<> and then </> in between those it searches a substring of any character 0 or more times || are the delimiters for the regex
http://us.php.net/manual/nl/reference.pcre.pattern.modifiers.php the "U"