Run results for: Test "new RegExp(string)" vs "new RegExp(/regexp/)" vs "/regexp/"

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36

Browser: Chrome 114

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
regexA.test	11711938.0 Ops/sec
regexB.test	12568357.0 Ops/sec
regexC.test	9527319.0 Ops/sec
regexD.test	2774373.0 Ops/sec

Script Preparation code:

var string = "Hello world!";
var regexA = /Hello/;
var regexB = new RegExp("Hello", 'gi');
var regexC = new RegExp(/Hello/, 'gi');
var regexD = () => new RegExp(/Hello/, 'gi')

Tests:

regexA.test
regexA.test(string);
regexB.test
regexB.test(string);
regexC.test
regexC.test(string);
regexD.test
regexD().test(string);

Run results for: Test "new RegExp(string)" vs "new RegExp(/regexp/)" vs "/regexp/"

regexA.test

regexB.test

regexC.test

regexD.test