PHP Regex remove all attributes except style with regex

Question

Here i remove all attributes from tags:

$body = preg_replace('/<(\w+) [^>]+>/', '<$1>', $body); //remove attributes from html

How do i amend to exclude style tags?

Answer 1

You could add a negative lookahead to the regex pattern which excludes style tags:

$body = preg_replace('/<(?!style\b)(\w+) [^>]+>/', '<$1>', $body);