diff --git a/app.js b/app.js
index e60691b..11e7402 100644
--- a/app.js
+++ b/app.js
@@ -1 +1,117 @@
-/* Fill your code*/
+function formValidate() {
+  let name = document.forms["RegForm"]["Name"];
+  let address = document.forms["RegForm"]["Address"];
+  let email = document.forms["RegForm"]["EMail"];
+  let pass = document.forms["RegForm"]["Password"];
+  let cpass = document.forms["RegForm"]["cPassword"];
+  let phno = document.forms["RegForm"]["phone"];
+
+  let errname = _("name");
+  let erraddress = _("address");
+  let erremail = _("email");
+  let errpass = _("pwd");
+  let errcpass = _("cpwd");
+  let errph = _("phone");
+
+  let flag;
+
+  if (name.value == "") {
+    errname.textContent = "Kindly fill Name field";
+    flag = false;
+  } else if (!name.value.match(/^[\w ]{8,15}$/)) {
+    errname.textContent = "Atleast 8 to 15 Characters Required!";
+    flag = false;
+  } else {
+    errname.textContent = "";
+    flag = true;
+  }
+
+  if (address.value == "") {
+    erraddress.textContent = "Kindly fill the address field";
+    flag = false;
+  } else {
+    erraddress.textContent = "";
+    flag = true;
+  }
+
+  if (email.value == "") {
+    erremail.textContent = "Kindly fill email field";
+    flag = false;
+  } else if (email.value.match(/[@._]/)) {
+    erremail.textContent = "";
+    flag = true;
+  } else {
+    erremail.textContent = "Email is Invalid";
+    flag = false;
+  }
+
+  if (pass.value == "") {
+    errpass.textContent = "kindly fill Password field";
+    flag = false;
+  } else if (
+    pass.value.match(
+      /^(?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?=.*[^a-zA-Z0-9])(?!.*\s).{8,}$/
+    )
+  ) {
+    errpass.textContent = "";
+    flag = true;
+  } else {
+    errpass.textContent =
+      "Password must be atleast 8 characters long,should contain 1 uppercase, 1 lowercase,1 number and symbol.";
+    flag = false;
+  }
+
+  if (cpass.value == "") {
+    errcpass.textContent = "kindly fill Confirm Password field";
+    flag = false;
+  } else if (
+    !cpass.value.match(
+      /^(?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?=.*[^a-zA-Z0-9])(?!.*\s).{8,}$/
+    )
+  ) {
+    errcpass.textContent =
+      "Password must be atleast 8 characters long,should contain 1 uppercase, 1 lowercase,1 number and symbol.";
+    flag = false;
+  } else if (pass.value != cpass.value) {
+    errcpass.textContent = "Passwords don't match";
+    flag = false;
+  } else {
+    errcpass.textContent = "";
+    flag = true;
+  }
+
+  if (phno.value == "") {
+    errph.textContent = "kindly fill phone field";
+    flag = false;
+  } else if (!phno.value.match(/^[0-9]{10}$/)) {
+    errph.textContent = "phone number should contain only 10 numbers";
+    flag = false;
+  } else {
+    errph.textContent = "";
+    flag = true;
+  }
+
+  if (flag) {
+    let res = document.createElement("p");
+    res.textContent = "Regex Validation Success";
+    res.style.color = "green";
+    document.getElementsByTagName("p")[6].appendChild(res);
+  }
+}
+
+function _(id) {
+  return document.getElementById(id);
+}
+
+function addChanges() {
+  document.getElementsByTagName("form")[0].removeAttribute("onsubmit");
+  document.getElementsByTagName("form")[0].removeAttribute("action");
+  document.getElementsByName("Submit")[0].type = "button";
+  document
+    .getElementsByName("Submit")[0]
+    .setAttribute("onclick", "formValidate()");
+}
+
+window.onload = () => {
+  addChanges();
+};