전화번호 정규식 함수

[자바] public String phoneConvert(String phoneNumber){ String regEx = "(\d{3})(\d{3,4})(\d{4})"; // ex)070-716-0717 String regEx2 = "(\d{4})(\d{4})"; // ex)1688-8000 String regEx3 = "(\d{3})(\d{3,4})(\d{4,6})"; // ex)070-716-0717~8 return phoneNumber.replaceAll(regEx, "$1-$2-$3").replaceAll(regEx2, "$1-$2").replaceAll(regEx3, "$1-$2-$3"); } [ 자바스크립트 ] function phoneConvert(phoneNumber){ phoneNumber = phoneNumber.split("-").join(""); return phoneNumber.replace(/^(\d{2,3})(\d{3,4})(\d{4})$/, '$1-$2-$3'); }