JavaScript RegExp Test Method

test[fn:test] returns true/false:

let re1 = new RegExp("abc");
let re2 = /abc/;
 
console.log(re1.test("abc")) // true
console.log(re1.test("acd")) // false
console.log(/abc/.test("abcde")) // true
console.log(/abc/.test("abxde")) // false

Footnotes

[fn:test]https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global\_Objects/RegExp/test