OTP input with letters and numbers.

import { REGEXP_ONLY_DIGITS_AND_CHARS } from "input-otp"

import {
  Field,
  FieldDescription,
  FieldLabel,
} from "@/components/ui/field"
import {
  InputOTP,
  InputOTPGroup,
  InputOTPSeparator,
  InputOTPSlot,
} from "@/components/ui/input-otp"

export function Pattern() {
  return (
    <div className="flex items-center justify-center">
      <Field>
        <FieldLabel htmlFor="alphanumeric">Alphanumeric OTP</FieldLabel>
        <FieldDescription>Accepts both letters and numbers.</FieldDescription>
        <InputOTP
          id="alphanumeric"
          maxLength={6}
          pattern={REGEXP_ONLY_DIGITS_AND_CHARS}
        >
          <InputOTPGroup>
            <InputOTPSlot index={0} />
            <InputOTPSlot index={1} />
            <InputOTPSlot index={2} />
          </InputOTPGroup>
          <InputOTPSeparator />
          <InputOTPGroup>
            <InputOTPSlot index={3} />
            <InputOTPSlot index={4} />
            <InputOTPSlot index={5} />
          </InputOTPGroup>
        </InputOTP>
      </Field>
    </div>
  )
}