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Run results for:
Regex vs split / join
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.5 Safari/605.1.15
Browser:
Safari 26
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
15 days ago
Test name
Executions per second
Regex
11608416.0 Ops/sec
split | join
7061745.0 Ops/sec
HTML Preparation code:
<!--your preparation HTML code goes here-->
Script Preparation code:
const genres = 'adventure, action, drama, entertainment, live, sports';
Tests:
Regex
const match = genres.match(/^[^,]*,[^,]*,[^,]*,/); const index = match ? match[0].length - 1 : -1; genres.substring(0, index).replaceAll(', ', ' \u2022 ');
split | join
genres.split(',').map((genre) => genre.trim()).filter(Boolean).slice(0, 3).join(' \u2022 ');