Create JavaRegex.java

JavaRegex.java

@@ -0,0 +1,21 @@
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.Scanner;
+
+class Solution{
+
+    public static void main(String[] args){
+        Scanner in = new Scanner(System.in);
+        while(in.hasNext()){
+            String IP = in.next();
+            System.out.println(IP.matches(new MyRegex().pattern));
+        }
+
+    }
+}
+
+//Write your code here
+class MyRegex {
+    String num = "([01]?\\d{1,2}|2[0-4]\\d|25[0-5])";
+    String pattern = num + "." +  num + "." +  num + "." + num;
+}