Regex for vowel and numbers

Tell us what’s happening:

Please help me, I don’t know what’s I’m doing wrong. Thank you.

Your code so far

let quoteSample = "3 blind mice.";
let myRegex = /[^(a-z0-9)]/gi; // Change this line
let result = myRegex; // Change this line

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36.

Challenge: Match Single Characters Not Specified

Link to the challenge:

you are missing the part in which you use the regex to find matches in the string