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import java.util.regex.Pattern; public class KoreanTextChecker { public static boolean isKorean(String input) { // Regular expression pattern for Korean characters String koreanPattern = ".*[\\uAC00-\\uD7A3]+.*"; // Compile the pattern Pattern pattern = Pattern.compile(koreanPattern); // Check if the input matches the pattern return pattern.matcher(input).matches(); } public static void main(String[] args) { // Example usage String text1 = "안녕하세요"; String text2 = "Hello"; System.out.println(isKorean(text1)); // true System.out.println(isKorean(text2)); // false } }
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