How to write a redirect for search results?

Question

URL Handling

How to write a redirect for search form results

From https://site.ru/ ? s=request to https://site.ru/search/?_sf_s=request

Answer 1

RewriteCond %{QUERY_STRING} (?:^|&)s=([^&]*)
RewriteRule ^ https://site.ru/search/?_sf_s=%1 [R=301,L,NE]

Answer 2

Well, how much easier?
scipy.ndimage.median_filter