Simple Pattern Analyzer

    public static boolean match(String str, String pattern){
        return match(str, "*"+pattern, 0, 0);
    }
    private static boolean match(String str, String pattern, int a, int b){
        while(true){
            if(b >= pattern.length()) return true;

            char c = pattern.charAt(b);
            if(c == '*'){
                for(int i=0; i<str.length()-a; i++)
                    if (match(str, pattern, a + i, b + 1)) return true;
            }
            else{
                if(a >= str.length()) break;
                if(c != '?'){
                    if(c != str.charAt(a)) return false;
                }
            }
            a++;
            b++;
        }
        return false;
    }