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Oracle: Equivalent sql statement to json_textcontains function

I want to search for specific values in a json object, but can't use json_textcontains.

So for example we have this json_object in a column:

{
    "key1" : "test",
    "key2" : "test2",
    "key3" : "35",
    "key4" : "3.4",
    "key5" : "35"
}

Now i have a search term e.g. 35 and want to get all key/value Pairs that contain this term.

-> "key3" : "35" -> "key5" : "35"

What would be a sql statement, that is equivalent to this json_textcontains statement:

select * from T t where JSON_TEXTCONTAINS(t.jsoncolumn, '$', '35')