The phrase "a regular lunch" is correct and usable in written English.
It can be used to refer to a typical or standard meal taken during lunchtime.
Example: "Every day, I try to have a regular lunch at noon to maintain my schedule."
Alternatives: "an ordinary lunch" or "a typical lunch".
Some 80% of employees don't take a regular lunch break.
(A regular lunch customer, Catherine Gulick, said that she couldn't find the restaurant on her first trip there, because it looked so much like a house).
Dominic Power is a radio playwright and a historian at the National Film School and has a regular lunch date with Hoban, who reads him work in progress.
Midway through some reflections on the late Princess Diana, who was for a while a regular lunch companion, James compares her to Kaspar Hauser (who else?), the wild Bavarian boy who claimed to have grown up in a darkened cell.
He had a regular lunch table at the Russian Tea Room, but grew to abhor the show business instinct for the limousine and even the taxicab; he preferred the subway.
Macfarlane decided to enter science broadcasting after meeting astrophysicist Neil deGrasse Tyson at a regular lunch for Hollywood producers and scientists, who get together to discuss making the science in movies as accurate as possible.
"I hate the idea that cooking should be a celebration or a party," Kimball told me over a bowl of chicken-and-vegetable soup at his regular lunch haunt, a Brookline, Mass., pub called Matt Murphy's.
Throughout their long friendship, Anne and Nancy had regular lunch dates, a custom that moved from the Bel Air Hotel to 668 St .Cloud this last year.
Francis Whitman Jr., known as Frank, the inn's proprietor (like his father, Francis, before him, who bought the property in 1955), keeps a few traditional items on the regular lunch and dinner menus, like old-fashioned New England clam chowder, Yankee pot roast, rack of lamb and New England chicken pot pie, all of which are worthy signature dishes.
Pasta fan Lee Bugeja is a regular at lunch and Friday nights, when his favourite meal is pasta with bolognese ($12.50).
Thus tied together, members can celebrate rituals of birthdays, gatherings at times like Christmas and Mother's Day and even perhaps a regular Sunday lunch.
