import java.util.*;
import java.util.regex.*;
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String p = "[!.?\n](?![!.?\n])";
		String p2 = "([!.?\n])(?!\\1)";
		String s = "I want it now!!!";
		System.out.println(Arrays.toString(s.split(p)));
		System.out.println(Arrays.toString(s.split(p2)));
		s = "Am I ok? Yeah, I'm fine!!!";
		System.out.println(Arrays.toString(s.split(p)));
		System.out.println(Arrays.toString(s.split(p2)));
	}
}