// Regular expression 1 or more occurrences of the pattern console.log(/'\d+'/.test("'123'")); // true console.log(/'\d+'/.test("''")); // false let cartoonCrying = /boo+(hoo+)+/i; console.log(cartoonCrying.test("Boohoooohoohooo"));// true
// Regular expression match sequence of characters console.log(/abc/.test("abcde")); // true console.log(/abc/.test("abxde")); // false