Answers for "how to check if email is valid in javascript"

javascript regex email

function validateEmail (emailAdress)
{
  let regexEmail = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
  if (emailAdress.match(regexEmail)) {
    return true; 
  } else {
    return false; 
  }
}

let emailAdress = "[email protected]";
console.log(validateEmail(emailAdress));

js email regex

function isValidEmail(email) {
  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,}))$/;
  return re.test(String(email).toLowerCase());
}

email regex javascript

/* Answer to: "email regex javascript" */

ValidateEmail("[email protected]"); // Must be a string

function ValidateEmail(email) {
	var emailformat = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(String(email).toLowerCase());
	if (email.match(emailformat)) {
    	alert("Nice Email!")
      	return true;
    };
    alert("That's not an email?!")
    return (false);
};

javascript valid email adress

function validateEmail(email) {
    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,}))$/;
    return re.test(String(email).toLowerCase());
}

How to validate an email address in JavaScript

// Html form call function name at submit button

    <form name="form1" action="#"> 
    <input type='text' name='text1'/>
    <input type="submit" name="submit" value="Submit" 
    onclick="ValidateEmail(document.form1.text1)"/>
   </from>

    // Write the function name ValidateEmail below

    <script>
     function ValidateEmail(inputText)
    {
  var mailformat = /^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/;
    if(inputText.value.match(mailformat))
    {
    alert("Valid email address!");
    document.form1.text1.focus();
    return true;
    }
    else
   {
    alert("You have entered an invalid email address!");
    document.form1.text1.focus();
    return false;
    }
    }
   </script>