Find:
Code:
<span class="none2">((?:(?!<span).)*?)</span>
Replace:
Using a negative lookahead we search for the LACK of a nested span, followed by any character, then repeat.
Matches nested tags as long as only the outer tag is a span. But you can be more specific if you want, by changing the lookahead.
http://regular-expressions.info/completelines.html