remove underscores or hyphens and uppercase the first letter

toCamelCase.js

const str = "Yeah_so_many_underscores here";
// const str = "A-B-C";
// const newStr = str.replace(/_/g, " ");
const newStr = str.replace(/[_!@#$%^&*, -]/g, " ");

const arr = newStr.split(' ');
// remove first word
let arr1 = arr.slice(0,1)
let arr2 = arr.slice(1)

let newArr = [];
const x = arr2.map(word => word.charAt(0).toUpperCase() + word.slice(1))
newArr = [...arr1, ...x]
newArr= newArr.join().replace(/,/g, '');


console.log(newArr);