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Run results for:
regex vs substring compare
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<iframe src="https://measurethat.net/Embed?id=610089" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:139.0) Gecko/20100101 Firefox/139.0
Browser:
Firefox 139
Operating system:
Windows
Device Platform:
Desktop
Date tested:
11 months ago
Test name
Executions per second
regex
16977454.0 Ops/sec
substring
139376480.0 Ops/sec
Script Preparation code:
const link = "https://stats.nba.com"; const linkRegex = new RegExp(/^(http|www)/i);
Tests:
regex
const link = "https://stats.nba.com"; const linkRegex = new RegExp(/^(http|www)/i); if(link.match(linkRegex) !== null){}
substring
const link = "https://stats.nba.com"; const start = link.substring(0,3); if(start === 'htt' || start === 'www'){}