Redirect // and more, to / inside %{request_uri} why doesn't it work?

Question

linux

Seemingly simple task. if the url has // or [/]{2,} and the like shortened to /
Accordingly, I write
RewriteBase /
RewriteCond %{REQUEST_URI} ^(.*)[/]{2,}(.*)$
RewriteRule . %1/%2 [R=301,L]
do this
test.ru//path1/ - didn't work?!!
test.ru//path1// - worked
test.ru//path1//path2// - didn't work again!
it would be logical to assume that he simply does not see // at the beginning of the line, but still not, if the redirect
test.ru//path1// he goes to /test.ru/path1/ as it should be The
redirect refuses to work
can anyone come across?

Answer 1

strange, but the problem was solved quite easily, for some reason the square brackets were not processed validly, removing them all worked, also removed 301

RewriteCond %{REQUEST_URI} ^(.*)/{2,}(.*)$
# если повтоярется // более двух раз
RewriteRule . %1/%2 [R,L]
# исключить все слешы, поставить 1