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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 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/114.0
Firefox 114
Windows
Desktop
one year ago
Test name Executions per second
parseFloat() 10693438.0 Ops/sec
regex 11413710.0 Ops/sec
Tests:

  • parseFloat()

  • regex

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