Originally Posted by Arainais
I tried <i class="calibre5">Page [0-9]+</i> and this actually worked, but I still don't understand how or why. Lol, sorry for rambling. I'm just trying to learn this.
The '+' is a quantifier telling Calibre that you want to match one or more characters from the set, thus, one or more numerals between 0 and 9.