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Run results for:
Regex vs String comparison
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=509504" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Browser:
Chrome 122
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
2 years ago
Benchmark engine:
Benchmark.js
Using array includes
451K/s
Using string comparison
442K/s
Using regex
389K/s
View exact numbers
Test name
Executions per second
✓
Using array includes
451,252 Ops/sec
Using string comparison
442,212 Ops/sec
Using regex
388,854 Ops/sec
Tests:
Using string comparison
const contentType = 'application/json'; const match = contentType === 'application/json' || contentType === 'application/json; charset=utf-8'; console.log(match);
Using regex
const RE_CONTENT_TYPE_JSON = new RegExp('^application/json(; charset=utf-8)?$', 'i'); const contentType = 'application/json'; const match = RE_CONTENT_TYPE_JSON.test(contentType); console.log(match);
Using array includes
const contentType = 'application/json'; const match = ['application/json', 'application/json; charset=utf-8'].includes(contentType); console.log(match);