# RegExpSpan

`import { RegExpSpan } from "destack:regexp";`

Half-open match span in UTF-16 code units.

```ds title="RegExpSpan"
export struct RegExpSpan {
    start: float64;
    end: float64;
}
```

[language/library/src/regexp/regexp.ds:10:16](https://github.com/destack-sh/destack/blob/main/language/library/src/regexp/regexp.ds#L10-L16)

## Members

### `start: float64`

The inclusive start index.

### `end: float64`

The exclusive end index.