const text = `Ukraine[a] is a country in Eastern Europe. It is the second-largest country in Europe after Russia,
which borders it to the east and northeast.[b] Ukraine also borders Belarus to the north; Poland and Slovakia to the west;
Hungary, Romania and Moldova[c] to the southwest; and the Black Sea and the Sea of Azov to the south and southeast.[d]
Kyiv is the nation's capital and largest city, followed by Kharkiv, Odesa, and Dnipro.
Ukraine's official language is Ukrainian.`;
const punctuation = ".,;:!?()[]'\"-—";
const punctuationSet = new Set(
  [...text].filter(ch => punctuation.includes(ch))
);
console.log("Множина розділових знаків у тексті:");
console.log(punctuationSet);

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