Run results for: Regex vs startsWith

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36

Browser: Chrome 147

Operating system: Windows

Device Platform: Desktop

Date tested: 2 months ago

startsWith

56.3M/s

Regex

15.5M/s

View exact numbers

Test name	Executions per second
✓ startsWith	56,298,188 Ops/sec
Regex	15,454,831 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');