can we use or in split string method code example

Example 1: how to split a string in java

// Java program to demonstrate working of split(regex, 
// limit) with small limit. 
public class GFG { 
    public static void main(String args[]) 
    { 
        String str = "geekss@for@geekss"; 
        String[] arrOfStr = str.split("@", 2); 
  
        for (String a : arrOfStr) 
            System.out.println(a); 
    } 
}

Example 2: split on . in java

String textfile = "ReadMe.txt";
String filename = textfile.split("\\.")[0];
String extension = textfile.split("\\.")[1];