form validation for email in js

1function isValidEmail(email) {
2  const re = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
3  return re.test(String(email).toLowerCase());
4}

1<script>  
2function validateform(){  
3var name=document.myform.name.value;  
4var password=document.myform.password.value;  
5  
6if (name==null || name==""){  
7  alert("Name can't be blank");  
8  return false;  
9}else if(password.length<6){  
10  alert("Password must be at least 6 characters long.");  
11  return false;  
12  }  
13}