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Introduction to Javascript Algorithm Problem Solving (Coding Test Preparation)
3. Extract only numbers
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안녕하세요 선생님 이렇게 했는데 괜찮나요
function solution(str){
let haha= str.replace(/[a-z]/gi, "").replace(/(^0+)/, "");
return haha ;
}
let str="g0000en2T0sfdjsifjwep0if32uufklnfwfe8eSoft";
console.log(solution(str));
Answer 1
안녕하세요^^
네. 정규식을 써도 좋습니다.
