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

If you're already using the library, Guava makes this easy with CharMatcher

String charsToRemove = "%^#";
String stringToFilter = "I have 20% of my assets in #2 pencils! :^)";

String filtered = CharMatcher.anyOf(charsToRemove).removeFrom(stringToFilter);

Answer 2

I guess, the below code will help you.

    String input = "Just to clarify, I will have strings of varying "
      + "lengths. I want to strip characters from it, the exact "
      + "ones to be determined at runtime, and return the "
      + "resulting string.";
    String regx = ",.";
    char[] ca = regx.toCharArray();
    for (char c : ca) {
        input = input.replace(""+c, "");
    }
    System.out.println(input);