Rename a book title and author

I would like to replace the name and surname in the title and author of the book.
for example:
Stephen King - Misery.mobi
to
King Stephen - Misery.mobi
Please tell me how
Thank you :)

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It's explained in the User Guide - read www.advancedrenamer.com/user_guide/regular_expresions

Replace: (^\w*) (\w*)
with: \2 \1
Use regular expressions

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It works :)
Thank You

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