redirect a suffix without move the old links

Hello, i need to do a redirect like this:

domain.com/example > domain.com/example2

but the old links, example:

domain.com/example/this-is-a-redirect-example

do not be moved to the example2, is this possible?

i tried the following sitntax:

rewrite ^/example/ https://domain.com/example2/ perment;

Any help will be apreciated!
Very thanks in advance!

ps. i try google this a lot, but i think i cant express the right words to find a properly anwser.