htaccess to escape percent (%) from URL

Question

Having percent sign inside URL, returns bad request (error 400) to the browser. I have a filename that have percent (%) sign, resides at server.

Original

Answer 1

Try the B flag to ensure the %25, unescaped to % by mod_rewrite, is re-escaped back to %25 when inserted back into the target path.

RewriteRule .* index.php/$0 [PTB]