Create regular expression to meet the requirement below:

  1. Validate IP4 address
  2. Validate HTTP URL, ex: https://www.google.com/ or http://www.google.com/
  3. Validate email address
  4. Validate user full name, it must have 2 word, ex: Tran.
  5. Count "Lorem" occurring on this site http://www.lipsum.com/