HTML Form Validation: Ensuring Data Accuracy

I’m working on a web development project where I have a form on my website, and I want to ensure that the data submitted through the form is accurate and follows certain rules. Specifically, I want to validate user input to prevent common errors and ensure data quality.

Here’s a simplified example of my HTML form:

<form>
    <label for="name">Name:</label>
    <input type="text" id="name" name="name" required>
    
    <label for="email">Email:</label>
    <input type="email" id="email" name="email" required>
    
    <label for="password">Password:</label>
    <input type="password" id="password" name="password" minlength="8" required>
    
    <input type="submit" value="Submit">
</form>

In this code, I’ve added the required attribute for mandatory fields and minlength for the password. However, I’d like to implement more advanced validation rules, such as checking if the email format is correct or if the name field contains only letters.

Could you provide HTML and JavaScript code examples for adding custom form validation to ensure that the data entered by users meets specific criteria? What are the best practices for providing meaningful error messages to users when validation fails? Thank you for your guidance in improving data accuracy through form validation!

The way to do forms and validation on Wix is with Wix Forms: