import java.util.*;
import java.lang.*;
import java.io.*;
import java.text.Normalizer;
import java.util.regex.Pattern;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
    public static void main (String[] args) throws java.lang.Exception
    {
        System.out.println(deAccent("Olá, mundo!"));
    }
 
    public static String deAccent(String str) {
        String nfdNormalizedString = Normalizer.normalize(str, Normalizer.Form.NFD); 
        Pattern pattern = Pattern.compile("\\p{InCombiningDiacriticalMarks}+");
        return pattern.matcher(nfdNormalizedString).replaceAll("");
    }
}

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