Removing certain characters from a string

Question

I am thinking about using String.replaceAll() to remove certain characters in my string. It is unclear which characters are going to be removed (i.e. which char

Answer 1

I guess the example code on your link is good enough which you can add other valid characters of your choice. But you can minimize the code using regular expression. Take a look at the code of Abdullah, or see more link1,link2, link3.