如何更改此正则表达式，以便选择具有多个img的段落元素

This is a follow-up question to: Differentiating between P tags wrapping images and P tags wrapping text nodes in Wordpress?

I would like to modify the solution:

 function my_content_filter($content) {
   return preg_replace('|<p>(<img[^<]*)</p>|i', '<p class="foo">${1}</p>', $content);
 }
 add_filter('the_content', 'my_content_filter');`

So that it works for a <p> with more than one <img> element.

Try if this works for you.

function my_content_filter($content) {
return preg_replace('|<p>((<img[^>]*>)*)<\/p>|i', '<p class="foo">${1}</p>', $content);
}
add_filter('the_content', 'my_content_filter');`