[DiapDealer]

Originally Posted by eschwartz

Reread my regex. I did think of that.

My bad. I didn't notice the space was inside the optional grouping. Part of the reason I don't like to use a lot of extraneous grouping in my regex.

Originally Posted by eschwartz

Nitpick: I used an optional capture group, which includes a space (because as a general idea, I like demanding spaces after the tag name and before the attribute, to avoid matching the wrong tags)

If you're worried about matching the wrong tags (like <image for <i), just make sure there's a word break after the element name.

<p\b[^>]*>

Or if you're in calibre's editor, even the end-of-word match:

<p\M[^>]*>