The buses run from 4 a.m. to midnight 'at regular intervals'. [=there is the same amount of time between buses]
It's nothing special, just a 'regular' [='basic'] stereo. = It's just a 'regular old' stereo.
He is one of the store's 'regular customers'. [=customers who shop at the store frequently]
(..) one of his trucks and swap out the tanker with one full of the contraband oil. How? According to Reddington's source, NexaCo trucks make regular supply runs to Kirk's refineries in Baton Rouge. One of the drivers makes a regular stop to pick up lunch at a place off of Route . (..)2016 TvShow: The Blacklist Title: Alexander Kirk (No. 14): Conclusion Season: 3 Episode 23