or just ``` int count = 0; for (int i = 0, length ...

# rx

[jw]

or just

int count = 0;
for (int i = 0, length = string.length(); i < length; i++) {
  char c = string.charAt(i);
  if (Character.isDigit(c) && c >= min && c <= max) {
    count++;
  }
}
return count;