--- id: 5d7925357729e183a49498aa title: Part 53 challengeType: 0 isHidden: true --- ## Description
Create a new function `evalFormula` which takes a single argument, `x`. Set `/([A-J])([1-9][0-9]?):([A-J])([1-9][0-9]?)/gi` to a variable named `rangeRegex`.
## Instructions
## Tests
```yml tests: - text: See description above for instructions. testString: assert(code.replace(/\s/g, "").includes("constevalFormula=x=>{constrangeRegex=/([A-J])([1-9][0-9]?):([A-J])([1-9][0-9]?)/gi")); ```
## Challenge Seed
```html ```
### Before Test
```html Spreadsheet
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### After Test
```html ```
## Solution
```html ```