'How can I add regex in a variable value in azure function bindings file?

I have an azure function and I want to trigger it when a new blob is detected. Current bindings in functions.json:

  "bindings": [
    {
      "name": "myblob",
      "type": "blobTrigger",
      "direction": "in",
      "path": "cfimages/{name}.png", 
      "connection": "ImageStorageEndpoint"
    },

It works well and is triggered with "test_image.png"

Now, I want to trigger it with a a certain file name (with a certain suffix) and I wrote this:

  "bindings": [
    {
      "name": "myblob",
      "type": "blobTrigger",
      "direction": "in",
      "path": "cfimages/_?topview.png", 
      "connection": "ImageStorageEndpoint"
    },

I dont get an error but I cant trigger it using a file "test_topview.png". Can someone help me with the issue?

Azure trigger bindings: https://docs.microsoft.com/en-us/azure/azure-functions/functions-bindings-expressions-patterns

Thank you.

Solution 1:^[1]

To achieve the above requirement You may need to Pass the file name path as below in your azure function binding.

Example Code for trigger file name:-

{
  "bindings": [
    {
      "name": "image",
      "type": "blobTrigger",
      "path": "sample-images/{filename}",//
      "direction": "in",
      "connection": "MyStorageConnection"
    },

For more information please refer the below links:

MICROSOFT DOCUMENTATION:- TRIGGER FILE NAME WITH DIFFERENT TYPES
SO THREAD :- Is it possible to create a blob triggered azure function with file name pattern?

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Solution 1	AjayKumarGhose-MT

'How can I add regex in a variable value in azure function bindings file?

Solution 1:[1]

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Solution 1:^[1]