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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/116.0

Browser: Firefox 116

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
regexA.test	47727372.0 Ops/sec
regexB.test	63165912.0 Ops/sec
regexC.test	73582712.0 Ops/sec
regexD.test	5133369.5 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