I am looking for a gratis web-app or Windows app that shows me the speed of computing a regex on one or more sample strings.

The speed can be actual speed, or a relative speed as compared to a standardized index.


If you are using python with the re or regex libraries you can simply use the timeit library or even easier in iPython or Jupyter you can use the %time and %timeit magics along with the %prun magic.

All of the software mentioned above is Free, Gratis & Open Source, and available for multiple platforms including Windows.

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