# Highlighted lines and words

> Line ranges and word matches highlighted together.

A shadcn/ui block from the [@reui](https://reui.io) registry, listed on [shadcn.exchange](https://shadcn.exchange/r/reui/c-code-block-7).

- Page, with a live preview: https://shadcn.exchange/r/reui/c-code-block-7
- Screenshot: https://abzjhwgwpdpz7ua5.public.blob.vercel-storage.com/shots/reui/c-code-block-7-light-878666fcaeb9439b.png
- Registry item: https://reui.io/r/new-york-v4/c-code-block-7.json
- Listed: 2026-10-13, source last changed 2026-10-13

## Install

```bash
npx shadcn@latest add https://reui.io/r/new-york-v4/c-code-block-7.json
```

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

## Dependencies

- Registry items: `@reui/code-block`

## Files

### `c-code-block-7.tsx`

```tsx
import {
  CodeBlock,
  CodeBlockCopyButton,
  CodeBlockHeader,
  CodeBlockTitle,
} from "@/components/reui/code-block/code-block"

const code = `const client = createClient({
  url: process.env.DATABASE_URL,
  maxConnections: 20,
  idleTimeoutMillis: 30000,
})

await client.connect()`

export function Pattern() {
  return (
    <div className="w-full max-w-2xl">
      <CodeBlock
        code={code}
        language="typescript"
        showLineNumbers
        highlightedLines="2-4"
        highlightedWords={["createClient", "maxConnections"]}
      >
        <CodeBlockHeader>
          <CodeBlockTitle>db/client.ts</CodeBlockTitle>
          <CodeBlockCopyButton className="ml-auto" />
        </CodeBlockHeader>
      </CodeBlock>
    </div>
  )
}
```