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Run results for: Float string optimization: parseFloat() vs regex

To get a cleaned-up float number with a limited number of digits of precision, which is faster: parsefloat() or a regular expression?

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Run details:
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36
Chrome 90
Windows 7
Desktop
3 years ago
Test name Executions per second
parseFloat() 1279033.6 Ops/sec
regex 2423671.8 Ops/sec
Tests:

  • parseFloat()

  • regex

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