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Run results for:
RegExp constructor vs inline literal
Testing performance when using a new RegExp object vs a literal regex
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<iframe src="https://measurethat.net/Embed?id=593708" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:136.0) Gecko/20100101 Firefox/136.0
Browser:
Firefox 136
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
new RegExp()
17209456.0 Ops/sec
Inline literal
16878812.0 Ops/sec
Script Preparation code:
var reConstructor = new RegExp('^[0-9a-fA-F]{24}$')
Tests:
new RegExp()
reConstructor.test('132abc67219f019afe12901a')
Inline literal
/^[0-9a-fA-F]{24}$/.test('132abc67219f019afe12901a')