NO CONTACT. He is mostly likely still drinking. From my experience, if the alcoholic drinks, the effects of their mind and thought process can linger for many days AFTER the last drink. Depending on how much he drinks, he might need 10+ days to act normal.
Your first texts posted sounded like a drunk persons texts. Not a person contrite and choosing a path of sobriety.
Remember, they say and do ANYTHING to keep you. ANYTHING. People like us tend to forget about the bad stuff and respond to the emotional trigger when they finally say exactly the right thing.
You've made your decision. It was the right one for you. Stick to it. Be strong. And remember most of his communication, verbal or text, is just quacking. Nothing more.