How to change path in .htaccess?

Question

htaccess

Noob question, but could not find an answer, please tell me.
Now site links look like this:
https://youtube.com/video_eyVuNGPWpdE
you need to do this:
https://youtube.com/watch?v=eyVuNGPWpdE

Answer 1

specifically this url
if for any url
RewriteRule ^video_(.+)$ /watch\?v=%1 [L,R=301]