The phrase "controlled regularly by" is correct and usable in written English.
You could use this phrase when talking about something that is monitored or supervised on a regular basis. For example, "The production process is controlled regularly by a team of quality assurance engineers."
Food and water were also fed ad libitum and the average food consumption per day was controlled by regularly weighing of the non-consumed food.
Within projects, outcomes are regularly controlled by a steering group working on behalf of the project sponsor and other internal stakeholders.
The quality and the completeness of the data were regularly controlled by the trial coordinator [ 11].
All animal experiments were done according to valid project licenses, which were approved and regularly controlled by the Austrian Veterinary Authorities.
Transduction efficiency was analysed 6 days post-transduction by cell sorting of GFP+ cells using FACS Vantage dual laser flow cytometry (BD Biosciences, San Jose, CA, USA) and regularly controlled by flow cytometry.
Quality control was performed regularly by using phantom to ensure the reliability of the densitometer.
While I was living in Dagestan, I was regularly stopped, controlled, and searched by police on the streets of Makhachkala simply because I had a beard which was seen as a sign of being a Salafist.
The animals were anesthetized with urethane (1.5 g/kg intraperitoneally), the depth of anesthesia was regularly controlled during the experiments by checking the corneal or plantar nociception reflex and additional urethane was administered intravenously (iv).
The present study was undertaken to produce a detailed specification of a programme of massage, controlled breathing and visualization performed regularly by birth partners, from 36 weeks gestation and assisted by a trained professional, following hospital admission during labour and birth.
The Stonewall was controlled by the Mafia who regularly paid off the police, who in turn tipped off the owner about any upcoming raid.
