001-redcap_redirect.conf

# Instance name is "stage_c". Change this string to suit your need.
# If your REDCap is installed at the root of your host, remove '^/stage_c' from the RewriteRule
# See https://github.com/susom/redcap-redirect for details

<IfModule mod_rewrite.c>
  RewriteEngine on
  # Check if the requested file does not exist on the server

  RewriteCond %{DOCUMENT_ROOT}/$1 !-f
  RewriteCond %{DOCUMENT_ROOT}/$1 !-d
  # Check that the requested URI looks like a REDCap URI

  RewriteCond %{REQUEST_URI} "^.*\/redcap_v(\d+\.\d+\.\d+)\/.*$"
  # Redirect to this script to handle the version substitution

  RewriteRule "^(.+)$" "/stage_c/redcap_redirect.php"   [PT,L,NS]
</IfModule>