/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* 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 = "word1 and\bword2";
		System.out.println(Arrays.toString(s.split("\\b")));  // WB
		System.out.println(Arrays.toString(s.split("\b")));   // BS
		System.out.println(Arrays.toString(s.split("[\b]"))); // BS in a char set
		System.out.println(Arrays.toString(s.split("\\u0008"))); // BS as a Unicode regex escape
		System.out.println(Arrays.toString(s.split("[\\b]")));// WB treated as BS in a char set
	}
}

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