---
id: 5d792536cfd0fd893c630abb
title: Part 74
challengeType: 0
isHidden: true
---
## Description
Set `varRegex` to `/[A-J][1-9][0-9]?/gi`. Then set `varExpanded` to the result of replacing `varRegex` with an empty string in `varRangeExpanded`. Return `varExpanded`.
## Instructions
## Tests
```yml
tests:
- text: See description above for instructions.
testString: assert(code.includes("varRegex") && code.includes("varExpanded") && evalFormula("aC12bc") === "abc");
```
## Challenge Seed
```html
```
### Before Test
### After Test
```html
```
## Solution