regulars
n. countable B2 Upper Intermediate US //ˈɹɛɡjəɫɝz// UK //ɹˈɛɡjuːləz// reg·u·lars
n. people who visit a place, like a café or a pub, very often. You usually know their names because they are there almost every day.
n. individuals who frequent a particular establishment, such as a bar, restaurant, or shop, on a habitual basis.
The bartender knows exactly what the regulars want to drink.
The café relies on a loyal group of regulars who come in every morning for their coffee and news.
While tourists provide a seasonal boost in revenue, the business remains sustainable throughout the winter thanks to the consistent patronage of local regulars.
Usage
Almost always used in the plural form when referring to a group of customers.