- import re 
- s = r'\"key\":\"How are you? \"Great!\" he said. \"Coffee ?\"\",' 
- p = re.compile(r"\\\"key\\\":\\\"(.*)\\\",") 
- print(p.search(s).group(1)) 
				aW1wb3J0IHJlCnMgPSByJ1wia2V5XCI6XCJIb3cgYXJlIHlvdT8gXCJHcmVhdCFcIiBoZSBzYWlkLiBcIkNvZmZlZSA/XCJcIiwnCnAgPSByZS5jb21waWxlKHIiXFxcImtleVxcXCI6XFxcIiguKilcXFwiLCIpCnByaW50KHAuc2VhcmNoKHMpLmdyb3VwKDEpKQ==