---
id: 5d792536dd8a4daf255488ac
title: Part 70
challengeType: 0
dashedName: part-70
---
# --description--
Replace the `""` in `varRangeExpanded` with a function, which takes `match`, `c1`, `n1`, `c2` and `n2` as arguments, and returns `n1`.
# --hints--
See description above for instructions.
```js
assert(
code
.replace(/\s/g, '')
.includes(
'constvarRangeExpanded=x.replace(rangeRegex,(match,c1,n1,c2,n2)=>n1)'
)
);
```
# --seed--
## --before-user-code--
```html
Spreadsheet
```
## --after-user-code--
```html
```
## --seed-contents--
```html
```
# --solutions--
```html
```