kingkong | Decrypt Godzilla webshell management tool traffic

I'm trying to use a regular expression to filter the name column in a csv file that has be put into an object array. Everything works fine if I type the exact value.

values I want "king" to match are below:

kingkong, king kong, king-kong, king_kong, king11, kongking, kong-king, kong_king, kong king, 11king

I've tried using filter and find methods but I want to use filter to return multiple values if they exist. I have tried the following regex but can't figure out the proper sytax if it is even correct.

I have the following curl that successfully logs me into a website. It returns a 302 and a cookie:

I've done a mapping before, but not this deeply nested. I am trying to re-populate data from a corrupt db. I have manually reconstructed an orders array. I'm trying to look up data for each player, and then update the fields (which start out null) for each player:

Example: I start with data like this:

I want to return the first-level key of a multidimensional array based on the value of one of the sub-levels.

For example if I provide '@google.com' as 'Admin Emails' I want to return 'Google'.

My array is below.