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React Hook Form Logo - React hook custom hook for form validation

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Get started | API | Form Builder | FAQs | Examples

Features

Install

npm install react-hook-form

Quickstart

import { useForm } from 'react-hook-form';

function App() {
  const {
    register,
    handleSubmit,
    formState: { errors },
  } = useForm();

  return (
    <form onSubmit={handleSubmit((data) => console.log(data))}>
      <input {...register('firstName')} />
      <input {...register('lastName', { required: true })} />
      {errors.lastName && <p>Last name is required.</p>}
      <input {...register('age', { pattern: /\d+/ })} />
      {errors.age && <p>Please enter number for age.</p>}
      <input type="submit" />
    </form>
  );
}

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