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DanielBerger
Mission Specialist
Mission Specialist
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Regex backtracking tool?

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I've used sites like rubular.com to validate regular expressions. However, I'm wondering if there's anything out there that can evaluate the efficiency of a regular expression, i.e. show me how much (possibly unnecessary) backtracking is happening.

Does such a tool exist? I'm looking for one for Ruby in particular, but a "generic" might work, too.

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Razique
Flight Engineer Flight Engineer
Flight Engineer
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Re: Regex backtracking tool?

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Hey @DanielBerger yes, there is such a tool, I recently discovered it, and it's great:

https://regex101.com/

I supports four flavors as well Smiley Happy

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DanielBerger
Mission Specialist
Mission Specialist
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Re: Regex backtracking tool?

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To followup to my own question, I did find regex101.com, which has a debugger, and shows the number of steps involved.

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Razique
Flight Engineer Flight Engineer
Flight Engineer
  • 581 Views

Re: Regex backtracking tool?

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Hey @DanielBerger yes, there is such a tool, I recently discovered it, and it's great:

https://regex101.com/

I supports four flavors as well Smiley Happy

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