[Solved] how to make my program check if its a palindrome by ignoring non-alpha characters and white spaces [closed]

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After you set your variable “original” to the next line of text, you can call the replaceAll() string method to strip away any unwanted characters with a specifier parameter. Also, you can call toLowerCase() to get all lower case strings.

  String original, reverse = "";
  Scanner in = new Scanner(System.in);

  System.out.println("Enter a string to check if it is a palindrome");
  original = in.nextLine();
  original = original.replaceAll("[^a-zA-Z]","").toLowerCase();

replaceAll() uses a regular expression to search for the specified text and replaces it with the second parameter value.

Here’s a quick example for the palindrome “racecar”:

    String original = "rA89293cEC@Ar";
    original = original.replaceAll("[^a-zA-Z]","").toLowerCase();
    System.out.println(original);

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solved how to make my program check if its a palindrome by ignoring non-alpha characters and white spaces [closed]