Learn Form Validation by Building a Calorie Counter - Step 32

JavaScript
1

Tell us what’s happening:

I can’t do it, it just doesn’t work for me

Your code so far

const regex = /e[0-9]/i;

const regex = /e/[0-9]/e/i;
const regex = [0-9]/e/i;

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Challenge Information:

Learn Form Validation by Building a Calorie Counter - Step 32

2

What do the instructions say?

3

Number inputs only allow the e to occur between two digits. To match any number, you can use the character class [0-9]. This will match any digit between 0 and 9.

Add this character class before and after e in your pattern.

4

I think this is the important bit:

5

Can you give me an example? I have really tried in all the conventions and I can’t.

const regex = [0-9]e/i;
const regex = /e[0-9]i;
6

I would suggest resetting the lesson because there are some syntax errors

Here is your starting code from the lesson

const regex = /e/i;

do not create a new const variable called regex

edit the existing one they gave you.

You were on the right track here where you added the character class before the e

now you need to add the character class after the e

remember that your answer should only be one line of code not two

once you fix that, then it is will pass

7

I am not making two lines of code, I am giving examples of the ways in which I have defined regex, the truth is I don’t understand, I have put the possible ways, but I don’t understand, I don’t speak English, and I know it’s before but before like or at the end and at the beginning but at the end and at the beginning as
const regex = [0-9]/e/i;
const regex = /e/[0-9]/e/i;
const regex = e[0-9]e;
const regex = [0-9]/e/;
I don’t understand it, I really don’t understand it, I don’t know what they mean, I just don’t understand it.

8

combine what you did here

and here

The directions want you to add the character class before and after the e

Here is another example of adding a character class of xyz on each side of the letter p.

/[xyz]p[xyz]/i

You need to do something similar for this lesson

9

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