Benchmark: Inline array vs regex

Script Preparation code:

var ButtonIconPosition = {
    Left: 'left',
    Right: 'right',
}

Tests:

Regex instance and check
for (let i=0; i<1_000_000; i += 1) { const checker = new RegExp( `(${ButtonIconPosition.Left}|${ButtonIconPosition.Top})`, ) }
Array instance and check
for (let i=0; i<1_000_000; i += 1) { const checker = [ButtonIconPosition.Left, ButtonIconPosition.Right] }

Rendered benchmark preparation results:

Previous results

Test case name	Result
Regex instance and check
Array instance and check

ⓘ Get performance results from real users on your website with Request Metrics.

Latest run results:

Run details: (Test run date: one month ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:123.0) Gecko/20100101 Firefox/123.0

Browser/OS: Firefox 123 on Mac OS X 10.15

Test name	Executions per second
Regex instance and check	8.5 Ops/sec
Array instance and check	1813.4 Ops/sec

Inline array vs regex (version: 0)