hacker rank 21th java problem(regex)
21. java regex
//Write your code hereimport java.util.Scanner;
class MyRegex {
private String part = "((25[0-5])|(2[0-4][0-9])|([0-1]{0,1}[0-9]{1,2}))";
String pattern = String.format("%s\\.%s\\.%s\\.%s", part, part, part, part);
}
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