Run results for: Testing regex vs split performance

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36 Edg/100.0.1185.50

Browser: Chrome 100

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
check regex	1048483.7 Ops/sec
check split	2198735.0 Ops/sec

Script Preparation code:

var file = "data:image/jpeg;base64,/9j/4QEKRXhpZgAASUkqAAgAAAAFAAABBAABAAigC5LMtzbXM6oFRkbEarsDDHOB24zVSztIUt0RYTKzPkEnBCAABAAigC5LMtzbXM6oFRkbEarsDDHOB24zVSztIUt0RYTKzPkEnBCAABAAigC5LMtzbXM6oFRkbEarsDDHOB24zVSztIUt0RYTKzPkEnBCAABAAigC5LMtzbXM6oFRkbEarsDDHOB24zVSztIUt0RYTKzPkEnBCf3jRRQB//2Q==";

Tests:

check regex
strOut = file.replace( /^data:(.*);base64,/, '' )
check split
strOut = file.split(',')[1]

Run results for: Testing regex vs split performance

We are converting files to base64 and we wonder if split or regex is faster

check regex

check split