Extract numbers

package extractnumbers;

import java.util.Scanner;

public class ExtractNumbers {

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        System.out.print("Input: ");
        String text = input.nextLine();
        text = text.replaceAll("[^0-9]", " ");
        text = text.trim();
        text = text.replaceAll(" +", " ");
        String stringNumber = "";
        int sum = 0;
        int count = 0;
        System.out.println("List of numbers:");
        for (int i = 0; i < text.length(); i++) {
            char charact = text.charAt(i);
            if (charact > 47 && charact < 58) {
                String inp = String.valueOf(text.charAt(i));
                stringNumber = stringNumber.concat(inp);
            }

            if (charact == ' ' || i == text.length() - 1) {
                System.out.println(stringNumber);
                sum += Integer.parseInt(stringNumber);
                stringNumber = "";
                count++;
            }
        }
        System.out.println("The text has " + count + " numbers.");
        System.out.println("Sum of numbers = " + sum);
    }

}