/* 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
	{
		// your code goes here
		String s= "\u0001abc\u0001more\u0001abc\u0001";
		String s1 = "\u0001abc\u0001";
        String s2 = "!@#$%^&*()-_`~";
        String s3 = s.replace(s1, s2);
        System.out.println("new string = " + s3);
	}
}

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