Change %20 to _ in url in htaccess how?

Question

PHP

A person visits my site via a certain link, there are spaces, %20 is substituted instead, how to change %20 to _ (underscore) in htaccess.

Answer 1

try like this:

RewriteRule ^([^\s%20]+)(?:\s|%20)+(.*)$ ‒ [R=301,L]