How to do string replace and cast to int

[Dolly Gyanchandani]

Hello folks,

I'm using KrakenD and "validation/cel". I'm trying to do a string replace, followed by a cast to integer. I'm struggling with the syntax, could someone help me figure what's wrong with it, or point me to good documentation available?

This is what I'm trying- 

"check_expr": "req_headers['X-Device-Version'][0].replace('.', '') == '940'"

Any help is really appreciated.

Thanks in advance

[Tristan Swadell]

Hi Dolly,

I'm not super familiar with the setup for KrakenD, but could you tell me what issue you're encountering? Did you want to compare against an int rather than a string? Or is there some other experience or error that you're encountering?

If you want to convert a string to an int you'd use the `int()` conversion method:

int(req_headers['X-Device-Version'][0].replace('.', '')) == 940

Hopefully this helps, and if not, I can probably help more if you could share more details about what you're trying to do and what's not behaving as expected.

Cheers,

-Tristan

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