# Form Validation 3 - Email validation

> zod email check on Input with invalid address FieldError message.

A shadcn/ui block from the [@shadcnblocks](https://shadcnblocks.com) registry, listed on [shadcn.exchange](https://shadcn.exchange/r/shadcnblocks/form-form-validation-3).

- Page, with a live preview: https://shadcn.exchange/r/shadcnblocks/form-form-validation-3
- Screenshot: https://abzjhwgwpdpz7ua5.public.blob.vercel-storage.com/shots/shadcnblocks/form-form-validation-3-light-7073237291fa2a88.png
- Registry item: https://shadcnblocks.com/r/form-form-validation-3.json
- Listed: 2026-10-13, source last changed 2026-10-13

## Install

```bash
npx shadcn@latest add https://shadcnblocks.com/r/form-form-validation-3.json
```

Run it in a project that has shadcn/ui set up. It adds the files below and installs what they depend on.

## Dependencies

- npm packages: `@hookform/resolvers`, `react-hook-form`, `zod`
- Registry items: `button`, `field`, `input`

## Files

### `example/form/form-validation-3.tsx`

```tsx
"use client";

import { zodResolver } from "@hookform/resolvers/zod";
import { Controller, useForm } from "react-hook-form";
import { z } from "zod";

import { Button } from "@/components/ui/button";
import {
  Field,
  FieldDescription,
  FieldError,
  FieldGroup,
  FieldLabel,
} from "@/components/ui/field";
import { Input } from "@/components/ui/input";

export const title = "Email Validation";

const formSchema = z
  .object({
    email: z
      .string()
      .min(1, "Email is required")
      .email("Please enter a valid email address"),
    confirmEmail: z
      .string()
      .min(1, "Please confirm your email")
      .email("Please enter a valid email address"),
  })
  .refine((data) => data.email === data.confirmEmail, {
    message: "Emails don't match",
    path: ["confirmEmail"],
  });

const Example = () => {
  const form = useForm<z.infer<typeof formSchema>>({
    resolver: zodResolver(formSchema),
    defaultValues: {
      email: "",
      confirmEmail: "",
    },
  });

  function onSubmit(values: z.infer<typeof formSchema>) {
    console.log(values);
  }

  return (
    <div className="w-full max-w-md">
      <form className="space-y-4" onSubmit={form.handleSubmit(onSubmit)}>
        <FieldGroup>
          <Controller
            name="email"
            control={form.control}
            render={({ field, fieldState }) => (
              <Field data-invalid={fieldState.invalid}>
                <FieldLabel htmlFor={field.name}>Email</FieldLabel>
                <Input
                  {...field}
                  id={field.name}
                  aria-invalid={fieldState.invalid}
                  className="bg-background"
                  placeholder="you@example.com"
                  type="email"
                />
                <FieldDescription>Enter your email address.</FieldDescription>
                {fieldState.invalid && (
                  <FieldError errors={[fieldState.error]} />
                )}
              </Field>
            )}
          />
          <Controller
            name="confirmEmail"
            control={form.control}
            render={({ field, fieldState }) => (
              <Field data-invalid={fieldState.invalid}>
                <FieldLabel htmlFor={field.name}>Confirm Email</FieldLabel>
                <Input
                  {...field}
                  id={field.name}
                  aria-invalid={fieldState.invalid}
                  className="bg-background"
                  placeholder="you@example.com"
                  type="email"
                />
                <FieldDescription>
                  Re-enter your email to confirm.
                </FieldDescription>
                {fieldState.invalid && (
                  <FieldError errors={[fieldState.error]} />
                )}
              </Field>
            )}
          />
        </FieldGroup>
        <Button type="submit">Continue</Button>
      </form>
    </div>
  );
};

export default Example;
```