shadcn-ui/apps/v4/examples/base/input-group-text.tsx

import {
  InputGroup,
  InputGroupAddon,
  InputGroupInput,
  InputGroupText,
  InputGroupTextarea,
} from "@/examples/base/ui/input-group"

export default function InputGroupTextExample() {
  return (
    <div className="grid w-full max-w-sm gap-6">
      <InputGroup>
        <InputGroupAddon>
          <InputGroupText>$</InputGroupText>
        </InputGroupAddon>
        <InputGroupInput placeholder="0.00" />
        <InputGroupAddon align="inline-end">
          <InputGroupText>USD</InputGroupText>
        </InputGroupAddon>
      </InputGroup>
      <InputGroup>
        <InputGroupAddon>
          <InputGroupText>https://</InputGroupText>
        </InputGroupAddon>
        <InputGroupInput placeholder="example.com" className="pl-0.5!" />
        <InputGroupAddon align="inline-end">
          <InputGroupText>.com</InputGroupText>
        </InputGroupAddon>
      </InputGroup>
      <InputGroup>
        <InputGroupInput placeholder="Enter your username" />
        <InputGroupAddon align="inline-end">
          <InputGroupText>@company.com</InputGroupText>
        </InputGroupAddon>
      </InputGroup>
      <InputGroup>
        <InputGroupTextarea placeholder="Enter your message" />
        <InputGroupAddon align="block-end">
          <InputGroupText className="text-xs text-muted-foreground">
            120 characters left
          </InputGroupText>
        </InputGroupAddon>
      </InputGroup>
    </div>
  )
}