I don't think it's too pedantic to mention common non-interview uses. They're pretty core to search and spell checks problems. Or url routes in a webserver. Or

I don't think it's too pedantic to mention common non-interview uses. They're pretty core to search and spell checks problems. Or url routes in a webserver. Or routing IPs. Or keywords in a compiler. You know, anytime you have a set of a bunch of strings and you need to find one?