Run results for: regex vs substring compare

Run details:

User agent: Mozilla/5.0 (Android 13; Mobile; rv:122.0) Gecko/122.0 Firefox/122.0

Browser: Firefox Mobile 122

Operating system: Android

Device Platform: Mobile

Date tested: 3 months ago

Test name	Executions per second
regex	7177759.0 Ops/sec
substring	1152435000.0 Ops/sec

Script Preparation code:

const link = "https://stats.nba.com";
const linkRegex = new RegExp(/^(http|www)/i);

Tests:

regex
const link = "https://stats.nba.com"; const linkRegex = new RegExp(/^(http|www)/i); if(link.match(linkRegex) !== null){}
substring
const link = "https://stats.nba.com"; const start = link.substring(0,3); if(start === 'htt' || start === 'www'){}