/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.util.regex.*;
 
/* 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
	{
        String s = "\n";
        Pattern p = Pattern.compile(".");
        System.out.println(p.matcher(s).matches()); // false
        p = Pattern.compile(".", Pattern.DOTALL);
        System.out.println(p.matcher(s).matches()); // true
	}
}

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