Learn Functional Programming by Building a Spreadsheet - Step 61

Tell us what’s happening:

Please assist. I am getting a message that says" Your regular expression should use a character class to match the characters from A to J. Your regular expression should use a character class to match the digits from 1 to 9. Your regular expression should use a character class to match the digits from 0 to 9. Your third character class should be optional. Your regular expression should be case-insensitive and global. " I dont understand whats wrong with my code.

Your code so far

const cellRegex = /([A-J])([1-9][0-9]?)/gi;

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Challenge Information:

Learn Functional Programming by Building a Spreadsheet - Step 61

there wasn’t any mention of capture groups?

i got the answer, but thank you