better error handling register

validators.js

@@ -0,0 +1,15 @@
+
+function validate_password(password) {
+    var re = /^(?=.*\d)(?=.*[a-z])(?=.*[A-Z]).{8,}$/;
+
+    if(re.test(password)){
+        if(password.length > 8 && password.length < 255){
+            return true
+        }
+    }
+    return false;
+}
+
+module.exports = {
+    validate_password
+}