The Mac Terminal Find instruction does not support-regextype posix-extended?

the problem of shipping to regular expressions when using find to find files in Terminal on Mac .
I want to find files in the current folder and subfolders that contain x Men and Wolverine . I wrote as follows, but I can"t find the files. (make sure these files are included)

   


try replacing -regextype posix-extended with -E ?

FYI: SO



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