Sanitizing air lines

Do you sanitize your airlines prior to a new keg? I’ve just assembled a double regulator, one has a single valve on it, the other is split and has two valves - 3 kegs total.

I’m ready to hook it all up, but as about to do it, wondered if I should sanitize the lines and the gas-in disconnects.

Anyone out there in brewland have a suggestion, or am I sweating a detail that I need not worry about?

I don’t. If you do, make sure you let them dry completely. The CO2 in the lines will ward off most bacteria.