regex для проверки не пустой строки
/^(?!\s*$).+/
Delta Sierra
/^(?!\s*$).+/const REGEXP = /^$/;
const validate = (text) => {
return REGEXP.test(text);
}
const isEmpty = validate("");
const isNotEmpty = validate("x");
console.log(isEmpty); //true
console.log(isNotEmpty); //falseconst REGEXP = /^$/;
const validate = (text) => {
return REGEXP.test(text);
}
const isNotEmpty = validate("x");
const isEmpty = validate("");
console.log(isNotEmpty); //false
console.log(isEmpty); //true