JAVASCRIPT

javascript regex check if string is empty

function IsEmptyOrWhiteSpace(str) {
    return (str.match(/^s*$/) || []).length > 0;
}

regex is empty string javascript

const REGEXP = /^$/;

const validate = (text) => {
    return REGEXP.test(text);
}

const isEmpty = validate("");
const isNotEmpty = validate("x");

console.log(isEmpty); //true
console.log(isNotEmpty); //false

javascript check if string is empty

var string = "not empty";
if(string == ""){
  console.log("Please Add");
}
else{
  console.log("You can pass"); // console will log this msg because our string is not empty
}