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 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36
Chrome 121
Windows
Desktop
2 years ago
Test name Executions per second
parseFloat() 2044077.8 Ops/sec
regex 2952307.0 Ops/sec
Tests:

  • parseFloat()

  • regex