# How can I conduct a search on Puzzling.SE for a question that contains a slash mark?

I ran across a cipher of the form NNN/N NNN/N NNN/N etc., where N represents integers. I feel like I've seen a puzzle like that before, probably here, but trying to search for this kind of pattern isn't obvious to me. Can some one give me some search tips or point me to somewhere that has tips?

As a side question, does anyone know a puzzle on here like that or recognize the pattern?

The search facility isn't perfect. I've written a pretty thorough tutorial for it on another site's meta, but I don't think it extends as far as discovering a character inside a "word". It can find punctuation inside a word, if you know the whole word, but not just that symbol. So basically, you can't search just for / to find something containing NNN/N, but if you know what those N's are then you might be able to search for the whole NNN/N.