Run results for: manual replace vs regex replace

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:147.0) Gecko/20100101 Firefox/147.0

Browser: Firefox 147

Operating system: Linux

Device Platform: Desktop

Date tested: 5 months ago

replace manual

11.4M/s

replace regex

8.2M/s

View exact numbers

Test name	Executions per second
✓ replace manual	11,442,681 Ops/sec
replace regex	8,159,212 Ops/sec

Script Preparation code:

String.prototype.replaceAll = function(search, replacement) {
    var target = this;
    return target.replace(new RegExp(search, 'g'), replacement);
};

Tests:

replace manual
"https://www.testurl.com" .replace('www.', '') .replace('http://', '') .replace('https://', '');
replace regex
"https://www.testurl.com".replace(new RegExp(/^(https?:\/\/)?(www\.)?/, 'g'), '');