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Apache mod_rewrite% 2B and plus (+) signs

I use apache / mod_rewrite to re-write urls, but I am having problems with a plus sign.

The next rule.

RewriteRule ^/(.+[^/])/?$ http://localhost:8080/app/home?tag=$1 [P,L]

AND

http://localhost/1+1 and http://localhost/1%2B2

ends as

uri=http://localhost:8080/app/home, args=tag=1+2

Thus, in both cases, the application translates the plus sign into a space so that it can no longer distinguish between spaces and signs.

If I use the “B” flag, then in both cases the + signs translate to% 2B, and the application ends with the same problem, but vice versa (both spaces and plus signs are plus signs)

Is there a way to get apache to escape% 2B correctly in the plus sign rather than a space?

I read something about mod_security, but I am not using it, so I'm not sure if there is any other security mechanism that causes this?

Any help would be greatly appreciated!

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