Rsa97

System.out.println("\uD83C\uDD2F");                      // тостер не поддерживает utf8mb4
System.out.println("\uD83C\uDD2F".length());             // 2
System.out.println("\uD83C\uDD2F".codePointCount(0, 2)); // 1

String imgName;
for (byte i = 0; i < arrayImages.size(); i++) {
  imgName = arrayImages.get(i).getOriginalFilename().toLowerCase();
  if (imgName.isBlank())
    removeSlide(i);
    continue;
  }
  if (imgName.matches(".*s-[1-4]\\..*")) {
    continue;
  }
  imgName = setCorrectName(imgName, i);
  if (imgName == null) {
    continue;
  }
  // что-то делаем
}

const third = total % 2 + 1;
const second = (total - third - 1) / 2;
const first = total - second - third;

print "500: ", floor(summ/500), "\n";
summ = summ % 500;
print "100: ", floor(summ/100), "\n";
summ = summ % 100;
print "50: ", floor(summ/50), "\n";
summ = summ % 50;
print "10: ", floor(summ/10), "\n";
summ = summ % 10;
print "5: ", floor(summ/5), "\n";
summ = summ % 5;
print "2: ", floor(summ/2), "\n";
summ = summ % 2;
print "1: ", summ, "\n";

[+-]?(?:\d+\.?\d*\*|\.\d+\*|)x\d+(?:\^\d+)?(?:[+-](?:\d+\.?\d*\*|\.\d+\*|)x\d+(?:\^\d+)?)*(?:[+-](?:\d+\.?\d*|\.\d+))?