"The regulations killed our industries. "
Utter nonsense - I left Liverpool in the 1960 when the containerisation wiped out Liverpool as a port - that was echoed throughout Britain
Thatcher administered the coup-de-grace on to a coal industry that was dead on its feet from under-investment, her motive, to smash the unions, the steel industry died from lack of investment and the textile industry started to decline inn 1952 when Britain allowed foreign firms to flood the market with cheaply produced goods, competition from Japan and South Korea wiped out the British Shipbuilding industry   
We in the North of England watched this happen before our eyes because we were the worst effected
Where did "regulations" come into any of this - most of it was deliberate because it was more profitable to buy foreign
You seem to be floundering around to find reasons to blame Europe
I often wonder how Brexteers are going to explain the nnow fairly universally predicted mess that is set fair to destabilise the British economy for the next decade or so
https://www.ippr.org/blog/if-you-think-brexit-is-going-to-be-bad-for-the-economy-just-wait-until-you-see-what-s-in-store-for-us-in-2020
Jim