匹配未指定的单个字符
let jennyStr = "w3cschool good";
let myRegex = /[^aeoiu0-9]/gi;// Change this line
let result = jennyStr.match(myRegex);
let jennyStr = "w3cschool good";
let myRegex = /[^aeoiu0-9]/gi;// Change this line
let result = jennyStr.match(myRegex);