javascript regex Zero or one occurrence
// javascript regex Zero or one occurrence
let neighbor = /neighbou?r/;
console.log(neighbor.test("neighbour")); // true
console.log(neighbor.test("neighbor")); // truejavascript regex Zero or one occurrence
// javascript regex Zero or one occurrence
let neighbor = /neighbou?r/;
console.log(neighbor.test("neighbour")); // true
console.log(neighbor.test("neighbor")); // truejavascript regex zero or more occurrence
// /x*/ - Regular Expression zero or more occurrence
console.log(/'\d*'/.test("'123'"));// true
console.log(/'\d*'/.test("''"));// trueCopyright © 2021 Codeinu
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