function solution(s) {
let arr =[/zero/ig,/one/ig,/two/ig,/three/ig,/four/ig,/five/ig,/six/ig,/seven/ig,/eight/ig,/nine/ig];
for(let i =0;i<10;i++){
let answer = (s.replaceAll(arr[i],i))
s= answer
}
return s
}