If you believe it is possible to become an expert in regular expressions as they exist in modern computer languages in "a couple of hours at best" you are delusional.
Every company I've worked at had a responsible person who was the only one able to push code into production. If you allow anyone to do that you are an idiot.
I worked at a small tech company that was bought by a large company. They sent a patent attorney to talk to us. He said to send his office anything that might be patentable. He said that patents for big companies were kind of mutually assured destruction in the sense that if someone sued us over infringing on one of their patents if we had enough patents they were probably infringing one of ours.