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 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36
Chrome 134
Mac OS X 10.15.7
Desktop
one year ago
parseFloat()
19.5M/s
regex
12.8M/s
View exact numbers
Test name Executions per second
✓ parseFloat() 19,502,350 Ops/sec
regex 12,818,797 Ops/sec
Tests: