Java : Remove strange special characters from String [duplicate]

Question

I want to remove all strange special characters from a string in Java. Those strange special characters are appearing in form of ?(Question mark) in MS Word.The image of sample string is given below.

Answer 1

You can use

String newString = my_string.replaceAll("\\p{C}", "");

more information about Java Unicode Regular expression Java Unicode Regular expression here

Answer 2

This will work:

String string = yourString.replaceAll("[^\\x00-\\x7F]", "");