Dear Learner, I deal with a lot of data so guess what? I deal with a lot of data cleanup. There are a million ways to remove stuff from your data with all sorts of tools. Some people only have Excel. 

If your data is plagued with * or ? marks in the actual data then you might know that Find/Replace can be your friend. Probably most people face is that they don’t know to use the tilde before the special character.