javascript regular expression check one or more number code example

Example 1: regular expression javascript

// Tests website Regular Expression against document.location (current page url)
if (/^https\:\/\/example\.com\/$/.exec(document.location)){
	console.log("Look mam, I can regex!");
}

Example 2: javascript regex zero or more occurrence

// /x*/ - Regular Expression zero or more occurrence
console.log(/'\d*'/.test("'123'"));// true
console.log(/'\d*'/.test("''"));// true