Remove non Ascii characters from strings

public class Sample {

    public static void main(String a[]){

        String str = "GHj��PL����AM�";

        System.out.println(str);

        str = str.replaceAll("[^\\p{ASCII}]", "");

        System.out.println("After removing non ASCII chars:");

        System.out.println(str);

    }

}

 System.out.println("here dec after con is "+decryptedContent.replaceAll("[^\\p{ASCII}]", "").trim());

OUTPUT

After removing non ASCII chars:
GHjPLAM 

Remove HTML Tags

public class HtmlTagRemover {

    public static void main(String a[]){

        String text = "<B>Remove tags<\\B>";

        System.out.println(text);

        text = text.replaceAll("\\<.*?\\>", "");

        System.out.println(text);

    }

}

OUTPUT

 "<B>Remove tags<\B>

Remove tags

 

  public class multipleSpaces {
    public static void main(String[] args) {
      
                String str = "String    With Multiple      Spaces";
                StringTokenizer st = new StringTokenizer(str, " ");
                StringBuffer sb = new StringBuffer();
                while(st.hasMoreElements()){
                    sb.append(st.nextElement()).append(" ");
                }
                System.out.println(sb.toString().trim());
            }
        }