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Question

Zapier Filter fails to recognize number value even when hardcoded to 1

  • June 17, 2025
  • 2 replies
  • 18 views

I am trying to test if a value is a number but every attempt results in FALSE, even if I hard code it to 1. I am sure it is something simple but I can’t see why this doesn’t work?

 

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2 replies

SamB
Community Manager
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  • Community Manager
  • 9736 replies
  • June 17, 2025

Hi ​@ymt—welcome to the Community! 🎉

The = sign shouldn’t be needed in the formula. That said, I did some testing on my end and couldn’t get it working with ISNUMBER(1) either. I’d recommend reaching out to our Support team for further investigation in case it’s a bug. You can contact them via: https://zapier.com/app/get-help 

In the meantime, could you tell us a bit more about how you’re how you’re using the formula in your workflow? If we can get a bit more context on the overall workflow, we might be able to suggest a workaround.

Looking forward to hearing from you! 🙂


Troy Tessalone
Zapier Orchestrator & Solution Partner
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  • Zapier Orchestrator & Solution Partner
  • 34072 replies
  • June 17, 2025

Hi ​@ymt 

Here are possible workarounds:

  • Action: AI by Zapier - Analyze and Return Data
  • Action: Code - Run JavaScript

 

const X = inputData.X;

// Check if X is a number
const isNumber = !isNaN(X) && X !== null && X !== '' && isFinite(X);

return { isNumber };