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Run results for:
RegExp constructor vs literal 2
Testing performance when using a new RegExp object vs a literal regex
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<iframe src="https://measurethat.net/Embed?id=596313" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:137.0) Gecko/20100101 Firefox/137.0
Browser:
Firefox 137
Operating system:
Mac OS X 10.15
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
new RegExp()
8519526.0 Ops/sec
Literal
15364923.0 Ops/sec
Script Preparation code:
const str = '132abc67219f019afe12901a'
Tests:
new RegExp()
new RegExp('^[0-9a-fA-F]{24}$').test(str)
Literal
/^[0-9a-fA-F]{24}$/.test('132abc67219f019afe12901a')