People who regularly use the same corner shop, pub or restaurant are said to be 'regulars' or 'regular customers' of these places. They may be referred to as loyal customers - especially if there are a lot of alternative establishments in the area.
"That old man in the street is one of my regulars - he comes here at least three times a day."
[定期的に](https://eikaiwa.dmm.com/uknow/questions/46626/)同じ[お店](https://eikaiwa.dmm.com/uknow/questions/5391/)、パブ、レストランなどを使う人は、その場所の'regulars'や 'regular customers'と呼ばれます。その地域に代わりとなる場所がたくさんある場合は特に、loyal customersと呼ばれることもあるでしょう。
【例文】
"That old man in the street is one of my regulars - he comes here at least three times a day."（道にいるおじいさんはうちの常連さんで、毎日3回はここに来るよ）
"He is a regular. I see him often."（彼は常連だよ。よく見るんだ）
a Regular - this is a short form and common way to say "regular customer" who comes often to a store
(brand) enthusiast - this is a person who is faithful to one brand only. Basically, this person is enthusiastic, or excited, about one brand only.
e.g. A person who will only drink Pepsi (never Coke) is a Pepsi enthusiast.
a Regular - これはよく使われる表現で "regular customer"（常連客）の略です。
(brand) enthusiast - これは熱狂的に一つのブランドだけに忠実な人と言う意味になります。
基本的にこの人は一つのブランドに対して熱狂的で、又は興奮している、という意味になります。
【例】
"A person who will only drink Pepsi (never Coke) is a Pepsi enthusiast."
(ペプシしか飲まない人（コーラは決して飲まない）はペプシの熱狂的なファンです）
The two sentences you see above are terrific ways to describe a customer that comes to a shop or restaurant a lot. The first sentence is appropriate for a formal setting while the last sentence is appropriate to use with close friends or family. In the last sentence you will see the word regular. Although this word has a lot of different definitions, in this sentence it means a regular customer.
最近は日本語でも聞く「レギュラー」はまさに常連さんです。
「昨日、バイト先の常連さんにビールをもらった。」
“I got a beer from a regular (of the restaurant I work) yesterday.
“A regular customer got me a beer yesterday.
「バイト先の」は付けなくてもregularで仕事での常連さんだとわかります。
Mr Moto comes by 3 or 4 times a week, he is one of "our regulars"
It is common to use the phrase "a regular' / "one of our Regulars.."
to describe a loyal or frequent visitor to any place of business!
"Mr Moto comes by 3 or 4 times a week, he is one of "our regulars""
ビジネスにて常連のお客を"a regular' （常連の）/ "one of our Regulars.."（常連の１人）とよく言います。
"Mr Moto comes by 3 or 4 times a week, he is one of "our regulars""
ムトウさんは週に３−４回来てくれる常連さんの１人です。
英会話講師のKOGACHIです(^^)/
「常連客」はregular customersと言います(*^_^*)
以上ですm(_)m
少しでも参考になれば幸いです(#^^#)
お困りの時は、いつでも気軽にご質問ください(^0^)/
★★どうぞよろしくお願いもうしあげます★★
see you soon♪
イギリス 
南アフリカ 
アメリカ合衆国 
日本 
