/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
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 str = "|| and &&";
         String rx = "\\|{2}|&&";
         Pattern ptrn = Pattern.compile(rx);
         Matcher m = ptrn.matcher(str);
         if (m.find()) {
           System.out.println("The string has double pipe or ampersands!");
         }
	}
}

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