Run results for: Regex vs startsWith

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

startsWith

1809.5M/s

Regex

9.2M/s

View exact numbers

Test name	Executions per second
✓ startsWith	1,809,468,032 Ops/sec
Regex	9,225,800 Ops/sec

Tests:

Regex
const testString = 'QualtricsEOS|SV_7amJ2Dww8cWdtQh | FS_2zd0QZhebl4cRHT'; testString.match(/^QualtricsEOS\|(SV_[0-9a-zA-Z]{11,15})\|(FS_[0-9a-zA-Z]{11,15})$/);
startsWith
const testString = 'QualtricsEOS|SV_7amJ2Dww8cWdtQh | FS_2zd0QZhebl4cRHT'; testString.startsWith('QualtricsEOS');