---
id: 5d792533aa6443215c9b16bf
title: Part 21
challengeType: 0
isHidden: true
---
## Description
Now, assign the result of calling `infixEval` with `str` and `regex` to `str2`.
Return `str2`.
## Instructions
## Tests
```yml
tests:
- text: See description above for instructions.
testString: assert(highPrecedence("7*6") === "42" && highPrecedence("50/25") === "2");
```
## Challenge Seed
```html
```
### Before Test
### After Test
```html
```
## Solution