import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.*;
 
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String str = "This `99 is my small \"yy\"  xx`example_and_more ";
    	Pattern ptrn = Pattern.compile("(?U)(?>[^\\W\\d]\\p{M}*+)+|\\d+|[^\\w\\s]");
    	List<String> res = new ArrayList<>();
    	Matcher matcher = ptrn.matcher(str);
    	while (matcher.find()) {
    		res.add(matcher.group());
    	}
    	System.out.println(res);
	}
}

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