Custom HTML5 Form Validator In Vanilla JavaScript – Just-validate
Just-validate is a dependency-free, HTML5 data attribute based form validation that supports both client side and server side form validation.
JavaScript & CSS form validation
Feature-rich Form Validation Library – OctaValidate
An open-source, feature-rich form validation JavaScript library that makes it easy to validate form input against built-in rules, regular expressions, and input attributes.
Extendable Auto Form Validation Plugin With Validator.js
Create your own rapidly extensible and simple auto form validator that allows you to easily validate form fields in a variety of scenarios.
Vanilla JavaScript Form Validator For Bootstrap 5/4/3 Framework
A vanilla JavaScript plugin that adds extensible form validation functionalities to your Bootstrap project without third-party JS libraries like jQuery.
Versatile Data Validation JavaScript Library
A versatile data validation library that provides a set of validation helps for validating field values in an easy way.
Regex Based Form Validator For Bootstrap 5
A script that demonstrates how to validate form fields in your Bootstrap 5 project by using custom Regex.
Validating and Formatting Credit Card Inputs with Payment.js
Payment.js is a standalone Javascript library for E-commerce or business websites that helps you validate and format credit card form elements.
Bootstrap Form Validation Library Without jQuery – Native Validator
A vanilla JavaScript-powered form validation library for the latest bootstrap framework, without jQuery dependency.
Minimal HTML5 Form Validator In Vanilla JavaScript – Pristine
Pristine is a lightweight vanilla JavaScript form validation library which works with the native HTML5 attributes and allows you to create your own validators of course.
Fast User-friendly Form Validation Plugin – Validator.js
A fast, cross-browser, user-friendly, highly customizable form validator that works with the native HTML5 input types: text, email, url, date, etc.