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Run results for:
RegExp constructor vs literal + instanciation
Testing performance when using a new RegExp object vs a literal regex
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<iframe src="https://measurethat.net/Embed?id=574891" 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/131.0.0.0 Safari/537.36
Browser:
Chrome 131
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Literal
14.9M/s
new RegExp()
8.6M/s
View exact numbers
Test name
Executions per second
✓
Literal
14,857,931 Ops/sec
new RegExp()
8,591,375 Ops/sec
Tests:
new RegExp()
new RegExp('^[0-9a-fA-F]{24}$').test('132abc67219f019afe12901a')
Literal
/^[0-9a-fA-F]{24}$/.test('132abc67219f019afe12901a')