The Complete Guide To Understanding EMAIL VALIDATION

Unlock the Power of JavaScript Email Validation with HTML, CSS, and JavaScript!

The Best Way To EMAIL VALIDATION, The Evolution Of EMAIL VALIDATION, Is It Time to Talk More About EMAIL VALIDATION? , The Best Advice You Could Ever Get About EMAIL VALIDATION, EMAIL VALIDATION: Do You Really Need It? This Will Help You Decide!

Email validation is an essential part of any website or application. It ensures that the user has entered a valid email address and can be used to prevent spam and abuse. JavaScript is one of the most popular languages for web development, and JavaScript email validation can be used to validate an email address quickly and easily. In this blog post, we'll take a look at what JavaScript email validation is, the benefits of using it, and how to combine HTML, CSS, and JavaScript to validate an email address.

If you want to get free source code then scroll down the post.

What is JavaScript Email Validation?

JavaScript email validation is a process of validating an email address using JavaScript programming language. It is a process of verifying that an email address is valid and exists. This is done by checking the format of the email address and checking that the domain name of the email address is valid.

JavaScript email validation is an important part of any website or application. It helps to ensure that the user has entered a valid email address before they submit a form or sign up for a service. It also helps to prevent spam from entering your system.

Benefits of JavaScript Email Validation

There are several benefits to using JavaScript email validation on your website or application.

1. Improved User Experience: JavaScript email validation helps to ensure that the user has entered a valid email address before they submit a form or sign up for a service. This helps to reduce errors and improve the overall user experience.

2. Increased Security: JavaScript email validation helps to prevent spam and malicious emails from entering your system. This helps to keep your system secure and protect your data.

3. Efficiency: JavaScript email validation is quick and easy to implement. This helps to improve the efficiency of your website or application and reduce the time it takes for users to sign up or submit a form.

JavaScript Email Validation Regex

In order to validate an email address using JavaScript, we need to use a regular expression (regex). A regular expression is a sequence of characters that describes a pattern. This pattern can be used to match the text in a string or to validate a string against a given pattern.

In the case of JavaScript email validation, we need to create a regex pattern that matches the format of a valid email address. This pattern should include the following parts:

• The username: This is the part before the @ symbol. It can be any combination of letters, numbers, underscores, and periods.

• The hostname: This is the part after the @ symbol. It should be a valid domain name.

• The top-level domain: This is the part after the last period in the email address. It should be a valid top-level domain (TLD).

How to Validate an Email Address

Once we have created our regex pattern, we can use it to validate an email address. To do this, we need to use the JavaScript RegExp object. The RegExp object can be used to create a regex pattern, test a string against a regex pattern, or validate a string against a regex pattern.

In the case of JavaScript email validation, we can use the RegExp object to validate a string against our regex pattern. If the string matches the pattern, then the string is valid and exists. If the string does not match the pattern, then the string is invalid and does not exist.

Creating Your Email Validation Regex Pattern

Creating a regex pattern for email validation can be a challenge. In order to create a valid regex pattern, we need to understand the format of an email address and the different parts of an email address.

The first step is to create a pattern that matches the username of an email address. The username can be any combination of letters, numbers, underscores, and periods. We can use the following regex pattern to match the username of an email address:

/^[A-Za-z0-9_.-]+@/

The next step is to create a pattern that matches the hostname of an email address. The hostname should be a valid domain name. We can use the following regex pattern to match the hostname of an email address:

/@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}$/

Finally, we need to create a pattern that matches the top-level domain of an email address. The top-level domain should be a valid top-level domain (TLD). We can use the following regex pattern to match the top-level domain of an email address:

/\.[A-Za-z]{2,4}$/

Now that we have created our regex pattern, we can combine all three parts of the pattern into one. The combined regex pattern should look like this:

/^[A-Za-z0-9_.-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}$/

JavaScript Email Validation Services

There are several JavaScript email validation services available on the web. These services provide a simple and easy way to validate an email address. All you need to do is provide the email address you want to validate and the service will return a result indicating whether the email address is valid or not.

Using a JavaScript email validation service is a great way to quickly and easily validate an email address without having to write any code. However, it is important to be aware that some services may not be as accurate as others. It is always best to test the service before using it in your application or website.

Simple Email Regex Examples

If you are new to regular expressions, then it can be helpful to look at some simple email regex examples. Here are a few examples that can be used to validate an email address:

• /^[A-Za-z0-9._]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}$/ • /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/ • /^[a-zA-Z0-9.!#$%&'*+/=?^_{|}~-]+@a-zA-Z0-9?(?:.a-zA-Z0-9?)+$/`

These examples can be used as a starting point for creating your own regex pattern for email validation.

Combining HTML, CSS, and JavaScript for Email Validation

Once we have created our regex pattern, we can combine HTML, CSS, and JavaScript to validate an email address. The HTML is used to create a form with an input field for the user to enter their email address. The CSS is used to style the form and the input field. JavaScript is used to validate the email address entered by the user.

When the user submits the form, JavaScript will validate the email address using our regex pattern. If the email address is valid, the form will be submitted. If the email address is invalid, an error message will be displayed.

Best Practices for Email Validation

There are a few best practices that should be followed when validating an email address.

1. Use a Regex Pattern: Regex patterns are the best way to validate an email address. They can be used to check the format of the email address and check that the domain name is valid.

2. Test the Pattern: Before using the regex pattern in your application or website, make sure to test it. This will help to ensure that the pattern is working correctly.

3. Update the Pattern: Regex patterns should be updated periodically to ensure that they are up-to-date with the latest email formats.

4. Use a Validation Service: If you don't want to write your own regex pattern, then you can use a JavaScript email validation service. This is a quick and easy way to validate an email address.

Conclusion

JavaScript email validation is an essential part of any website or application. It ensures that the user has entered a valid email address and can be used to prevent spam and abuse. JavaScript is one of the most popular languages for web development, and JavaScript email validation can be used to validate an email address quickly and easily.

In this blog post, we looked at what JavaScript email validation is, the benefits of using it, how to create a regex pattern for email validation, how to validate an email address, and how to combine HTML, CSS, and JavaScript for email validation. We also looked at some best practices for email validation and some simple email regex examples.

Here we have created a form where each user will enter his email address and we will verify whether that email address with the help of javascript whether the entered email address is correct or incorrect if the entered email address is correct then we will display a green indicator to the right of the email box. And we will show a red indicator if the email address entered is incorrect.

So, if you want to unlock the power of JavaScript email validation, then start using HTML, CSS, and JavaScript today!

Get free source code

1.1 index file

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <meta http-equiv="X-UA-Compatible" content="IE=edge">

    <meta name="viewport" content="width=device-width, initial-scale=1.0">

    <title> Check Email Validation with JavaScript | Free Projects1 </title>

    <meta name="keywords" content="The Best Way To EMAIL VALIDATION">

    <meta name="description" content="JavaScript email validation is a process of validating an email address using JavaScript programming language. It is a process of verifying that an email address is valid and exists.">

    <link rel="shortcut icon" href="favicon.png" type="image/x-icon">

    <link rel="stylesheet" href="style.css">

</head>

<body>

    <div>

        <h3> Email Validation | Free Projects1 </h3>

        <form action="#" id="form" autocomplete="off">

            <div class="inputBox">

                <input type="text" name="" id="email" placeholder="Enter Email Address" onkeyup="validate();">

                <span class="indicator"></span>

            </div>

        </form>

    </div>

    <script>

        function validate(){

            const form = document.getElementById('form');

            const email = document.getElementById('email').value;

            const pattern = /^[^ ]+@[^ ]+\.[a-z]{2,3}$/;

            if(email.match(pattern)){

                form.classList.add('valid');

                form.classList.remove('invalid');

            }else{

                form.classList.add('invalid');

                form.classList.remove('valid');

            }

            if(email == ""){

                form.classList.remove('valid');

                form.classList.remove('invalid');

            }

        }

    </script>

</body>

</html>

1.2 CSS file

@import url("https://fonts.googleapis.com/css?family=Poppins:300,400,500,600,700,800,900&display=swap");

*{

    margin: 0;

    padding: 0;

    box-sizing: border-box;

    font-family: 'Poppins', sans-serif;

}

body{

    display: flex;

    justify-content: center;

    align-items: center;

    min-height: 100vh;

    background: #1b1b1b;

}

h3{

    position: relative;

    font-size: 30px;

    color: #999;

    font-weight: 500;

    margin-bottom: 6px;

}

#form{

    position: relative;

    border: 2px solid #131313;

    background: linear-gradient(#1e2024, #18181c);

}

#form #email{

    width: 500px;

    outline: none;

    background: transparent;

    border: #333;

    padding: 18px 15px;

    padding-right: 50px;

    color: #fff;

    font-size: 25px;

}

#form .indicator{

    position: absolute;

    top: 26px;

    right: 20px;

    width: 10px;

    height: 10px;

    background: #555;

    border-radius: 50%;

}

#form.valid .indicator{

    background: #0f0;

    box-shadow: 0 0 5px #0f0, 0 0 10px #0f0, 0 0 20px #0f0, 0 0 40px #0f0;

}

#form.invalid .indicator{

    background: #f00;

    box-shadow: 0 0 5px #f00, 0 0 10px #f00, 0 0 20px #f00, 0 0 40px #f00;

}