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[micha1]

I want to check if these are in a text file, if I do it without variables it works, as soon as I do it dynamically it doesn’t work anymore.

is not works:

{{ /$json["id"]/i.test($node["Webhook"].json["body"]["IDs"])}}

is works:

{{ /k5porfpb20h3o4o2j140sd41qs/i.test($node["Webhook"].json["body"]["IDs"]) }}

what is my mistake?

[sirdavidoff]

This is more about how Javascript works. You should be able to do this using new RegExp() instead:

{{ new RegExp($json["id"]).test($node["Webhook"].json["body"]["IDs"]) }}

Here’s an example:

[micha1]

thanks sirdavidoff, unfortunately it doesn’t work either, there should be 12 hits. Does anyone have a suggestion?

or

another try with ‘code’:

for (const item of $input.all()) {
  item.json.myNewField =  RegExp(["ID"]).test(["IDs"])
;
}

return $input.all();

[micha1]

what else could it be, does anyone have an idea?