Update app.js

app.js

@@ -1 +1,103 @@
 /* Fill your code*/
+const pattern = {
+    username: /^[a-z\d]{8,15}$/i,
+    email: /^([a-z\d\.-]+)@([a-z\d-]+)\.([a-z]{2,8})(\.[a-z]{2,8})?$/,
+    password: /^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])(?=.*[!@#$%^&*()]).{8,20}$/,
+    phone:/^\d{10}$/,
+}
+
+function formValidate(){
+
+    let name = document.forms["RegForm"]["Name"];
+    let nameInput = document.getElementById("name");
+    if(pattern.username.test(name.value)){
+        nameInput.textContent="";
+    }
+    else{
+        nameInput.textContent="Atleast 8 to 15 Character Required";
+        name.focus();
+        return false;
+    }
+
+
+    let address = document.forms["RegForm"]["Address"];
+    let addressInput = document.getElementById("address");
+    if(address.value==""){
+        addressInput.textContent="Address cannot be empty. Kindly fill ";
+        address.focus();
+        return false;
+    }
+    else{
+        addressInput.textContent="";
+    }  
+
+
+    let email = document.forms["RegForm"]["EMail"];
+    let emailInput = document.getElementById("email");
+    if(email.value==""){
+        emailInput.textContent="Email cannot be empty. Kindly fill ";
+        email.focus();
+        return false;
+    }
+    else if(pattern.email.test(email.value)){
+        emailInput.textContent="";
+    }
+    else{
+        emailInput.textContent="Enter a vaild Email";
+        email.focus();
+        return false;
+    }
+
+
+    let password = document.forms["RegForm"]["Password"];
+    let passwordInput = document.getElementById("pwd");
+    if(password.value==""){
+        passwordInput.textContent="Kindly fill the Password";
+        password.focus();
+        return false;
+    }
+    else if(pattern.password.test(password.value)){
+        passwordInput.textContent="";
+    }
+    else{
+        passwordInput.textContent="password must contain 1 uppercase letter, 1 lowercase letter, atleast 1 number any Symbols";
+        password.focus();
+        return false;
+    }
+
+
+    let cpassword = document.forms["RegForm"]["cPassword"];
+    let cpasswordInput = document.getElementById("cpwd");
+    if(cpassword.value==""){
+        cpasswordInput.textContent="Kindly confirm your password";
+        cpassword.focus();
+        return false;
+    }
+    else if(cpassword.value==password.value){
+        cpasswordInput.textContent="";
+    }else{
+        cpasswordInput.textContent="Password and confirm password must be same";
+        cpassword.focus();
+        return false;
+    }
+
+
+    let phone = document.forms["RegForm"]["phone"];
+    let phoneInput = document.getElementById("phone");
+    let result = document.getElementById("result");
+    if(phone.value==""){
+        phoneInput.textContent="Kindly fill the phone number";
+        phone.focus();
+        return false;
+    }
+    else if(pattern.phone.test(phone.value)){
+        phoneInput.textContent="";
+        result.textContent="Regex validation Success";
+        return false;
+    }
+    else{
+        phoneInputs.textContent="Enter a valid 10 digit number";
+        phone.focus();
+        return false;   
+    }
+}