const str = '132abc67219f019afe12901a'
new RegExp('^[0-9a-fA-F]{24}$').test(str)
/^[0-9a-fA-F]{24}$/.test('132abc67219f019afe12901a')
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Source code: GitHub/MeasureThat.net
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Based on: Benchmark.js
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Python benchmarks support: Pyodide