shadcn-ui/apps/v4/examples/base/input-otp-four-digits.tsx

"use client"

import {
  InputOTP,
  InputOTPGroup,
  InputOTPSlot,
} from "@/examples/base/ui/input-otp"
import { REGEXP_ONLY_DIGITS } from "input-otp"

export function InputOTPFourDigits() {
  return (
    <InputOTP maxLength={4} pattern={REGEXP_ONLY_DIGITS}>
      <InputOTPGroup>
        <InputOTPSlot index={0} />
        <InputOTPSlot index={1} />
        <InputOTPSlot index={2} />
        <InputOTPSlot index={3} />
      </InputOTPGroup>
    </InputOTP>
  )
}