By default the back button uses as a text on it a title of a viewcontroller.
Can I change text on the back button without changing a title of a view controller?
I need this
In Swift5, the backBarButtom cannot be edited. Hence, we need to hide the backBarButtom first, then use a customised leftbarButtom to replace backBarButtom. Here is the detailed solution: https://stackoverflow.com/a/63868300/13939003