Question

Java Help Please:

I'm doing something wrong with my while loop. I want my code to check the phone number that is input to make sure it matches. If it doesn't I want it to print out Error! and I want my While loop to ask the user to try again by inputting another phone number. When the user puts in a phone number that matches I want the program to continue to output my tokens. When I run this I get the message that my code is invalid even when I enter a number that matches my pattern. I know it's my while loop because when I comment out the while loop the program recognizes when the number I put in matches.
   class Main{
       public static boolean validatePhone(String phoneNumber){
           return phoneNumber.matches( "\\([1-9]\\)\\d{3}-[1-9]\\d{3}-[1-9]\\d{4}" );
   }
   public static void main(String[] args){
       String phoneNumber;
       Boolean validatePhone;

       Scanner scanner = new Scanner (System.in);
           System.out.println("\nPlease enter phone number: ");
               phoneNumber = scanner.nextLine();

       while(!validatePhone(phoneNumber)){
           System.out.println("Error!");
           System.out.println("\nEnter phone number: ");
           phoneNumber = scanner.nextLine();
   }
       String[]tokens = phoneNumber.split("-|\\(|\\)"); //String Split Method
           System.out.printf("1 %s",tokens[1]); //tokenized area code
           System.out.printf("\2: %s",tokens[2]); //tokenized 1st 3 digits
           System.out.printf("\n3 : %s",tokens[3]);//tokenized last 4 digits
  
           }
       }

Answer 1

import java.util.Scanner;

class Main {
    public static boolean validatePhone(String phoneNumber) {
        return phoneNumber.matches("([1-9]{3})-([1-9]{3})-([1-9]{4})");
    }

    public static void main(String[] args) {
        String phoneNumber;
        Scanner scanner = new Scanner(System.in);
        System.out.println("\nPlease enter phone number: ");
        phoneNumber = scanner.nextLine();

        while (!validatePhone(phoneNumber)) {
            System.out.println("Error!");
            System.out.println("\nEnter phone number: ");
            phoneNumber = scanner.nextLine();
        }
        String[] tokens = phoneNumber.split("-"); //String Split Method
        System.out.printf("1 : %s", tokens[0]); //tokenized area code
        System.out.printf("\n2 : %s", tokens[1]); //tokenized 1st 3 digits
        System.out.printf("\n3 : %s", tokens[2]);//tokenized last 4 digits
    }
}