Plus (+) character in URL: redirect rule appears correct but 404 is returned

Feb 26, 2014 at 10:35 AM
I have this rule for a redirect
RedirectRule ^/test+test.html /index.html [I,R=301]

and the index.html file exists in the root/ of the website however when I visit mysite/test+test.html I get a 404 error, maybe the plus character need to be matched in another way, can anyone help me?