Regular Expresso- Matching Same Text Again & Again

Problem:

 https://www.hackerrank.com/contests/regular-expresso/challenges/matching-same-text-again-again

Solution:

 public class Solution {  

    public static void main(String[] args) {
      
        Regex_Test tester = new Regex_Test();
        tester.checker("^([a-z])(\\w)(\\s)(\\W)(\\d)(\\D)([A-Z])([a-zA-Z])([aeiouAEIUO])(\\S)\\1\\2\\3\\4\\5\\6\\7\\8\\9\\10$"); // Use \\ instead of using \
  
    }
}