[programmers] Lv0. 숨어있는 숫자의 덧셈(1)

class Solution {
    public int solution(String my_string) {
        my_string = my_string.replaceAll("[^0-9]", "");
		int answer = 0;
		
		for(int i=0; i<my_string.length();i++) {
			answer += Integer.parseInt(String.valueOf(my_string.charAt(i)));
		}
		
        return answer;
    }
}