Text string filter (--filter) can't filter using strings that contain a comma

[rdmarsh]

Describe the bug
It is not possible to filter (-F/--filter) using a comma in the filter string.

To Reproduce
Steps to reproduce the behavior:

1. Run any filer using -F/--filter that contains a comma.

Expected behavior
Be able to filter on fields that contain a comma.

Screenshots

$ elm DeviceList -F displayName~test,
Usage: elm DeviceList [OPTIONS]

Error: Invalid value for '--filter' / '-F': format must be 'FIELD[>:,<:,>,<,!:,:,~,!~]VALUE'

$ elm DeviceList -F displayName~test\,
Usage: elm DeviceList [OPTIONS]

Error: Invalid value for '--filter' / '-F': format must be 'FIELD[>:,<:,>,<,!:,:,~,!~]VALUE'

$ elm DeviceList -F "displayName~test\,"
Usage: elm DeviceList [OPTIONS]

Error: Invalid value for '--filter' / '-F': format must be 'FIELD[>:,<:,>,<,!:,:,~,!~]VALUE'

$ elm DeviceList -F "displayName~test,"
Usage: elm DeviceList [OPTIONS]

Error: Invalid value for '--filter' / '-F': format must be 'FIELD[>:,<:,>,<,!:,:,~,!~]VALUE'

$ elm DeviceList -F 'displayName~test,'
Usage: elm DeviceList [OPTIONS]

Error: Invalid value for '--filter' / '-F': format must be 'FIELD[>:,<:,>,<,!:,:,~,!~]VALUE'

$ elm DeviceList -F 'displayName~test,,'
Usage: elm DeviceList [OPTIONS]

Error: Invalid value for '--filter' / '-F': format must be 'FIELD[>:,<:,>,<,!:,:,~,!~]VALUE'

$ elm DeviceList -F 'displayName~test\\,'
Usage: elm DeviceList [OPTIONS]

Error: Invalid value for '--filter' / '-F': format must be 'FIELD[>:,<:,>,<,!:,:,~,!~]VALUE'

$ elm DeviceList -F 'displayName~test\\\,'
Usage: elm DeviceList [OPTIONS]

Error: Invalid value for '--filter' / '-F': format must be 'FIELD[>:,<:,>,<,!:,:,~,!~]VALUE'

Desktop (please complete the following information):

• OS: Mac 13.5.1 (22G90)
• Shell: GNU bash, version 5.2.15(1)-release (aarch64-apple-darwin22.1.0)

[rdmarsh]

Regex will be something like:

for filter in re.split(r'(?<!,),', filters):

[rdmarsh]

+        #split filters by commas except if they're proceeded by a backslash
+        for filter in re.split(r'[^\\],', filters):
+            #now remove the backslash we used to protect the comma from split above
+            filter = filter.replace('\\,',',')

[rdmarsh]

Closing, resolved with commit b34d743