Run results for: Regex Character vs Character Group

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36

Browser: Chrome 63

Operating system: Windows

Device Platform: Other

Date tested: 2024 years ago

Test name	Executions per second
regex character	639528.6 Ops/sec
regex character group	610928.7 Ops/sec
Compiled regex	481836.3 Ops/sec

Script Preparation code:

url1 = 'abc.com';
url2 = 'abc.com/';
url3 = 'abc.com///';
regex3 = new RegExp('\/+$');

sanitizeUrl1 = function(url) {
  return url.replace(/\/+$/, '');
}

sanitizeUrl2 = function(url) {
  return url.replace(/[/]+$/, '');
}

sanitizeUrl3 = function(url) {
  return url.replace(regex3, '');
}

Tests:

regex character
sanitizeUrl1(url1); sanitizeUrl1(url2); sanitizeUrl1(url3);
regex character group
sanitizeUrl2(url1); sanitizeUrl2(url2); sanitizeUrl2(url3);
Compiled regex
sanitizeUrl3(url1); sanitizeUrl3(url2); sanitizeUrl3(url3);

Run results for: Regex Character vs Character Group

regex character

regex character group

Compiled regex