How to extract data from mail body and enter into database

Hello, the below entered is the sample mail

Hi Team,

  1. What is the custom chatbot?
  2. What does custom chatbot do?
  3. How do you develop a custom chatbot?
  4. How are custom chatbots used in business?
  5. How much does it cost to develop a custom chatbot?

Regards,
Sandeep

So, in this mail I need to get only the questions, not the greetings and all and the questions to be entered into the database. I have tried all the ways which I know but it didn’t worked out.