@@ -0,0 +1,221 @@
+//https://www.hackerrank.com/challenges/negative-lookbehind%0Apublic class Solution %7B    %0A  public static void main(String%5B%5D args) %7B%0A    Regex_Test tester = new Regex_Test();%0A    tester.checker(%22(?%3C!%5BaeiouAEIOU%5D).%22);%0A  %7D%0A%7D%0A

Create negative-lookbehind.java