regex to check non empty string
/^(?!\s*$).+/regex empty string
const REGEXP = /^$/;
const validate = (text) => {
return REGEXP.test(text);
}
const isEmpty = validate("");
const isNotEmpty = validate("x");
console.log(isEmpty); //true
console.log(isNotEmpty); //falseregex is not empty string
const REGEXP = /^$/;
const validate = (text) => {
return REGEXP.test(text);
}
const isNotEmpty = validate("x");
const isEmpty = validate("");
console.log(isNotEmpty); //false
console.log(isEmpty); //trueCopyright © 2021 Codeinu
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