JavaScript Regex Periksa apakah string kosong
function IsEmptyOrWhiteSpace(str) {
return (str.match(/^\s*$/) || []).length > 0;
}
Zwazel
function IsEmptyOrWhiteSpace(str) {
return (str.match(/^\s*$/) || []).length > 0;
}const REGEXP = /^$/;
const validate = (text) => {
return REGEXP.test(text);
}
const isEmpty = validate("");
const isNotEmpty = validate("x");
console.log(isEmpty); //true
console.log(isNotEmpty); //false