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Prevent React applications from 404 errors when refreshing the page on inner URLs

This code is an Apache web server configuration file written in Apache’s mod_rewrite syntax. It’s commonly used in React applications to prevent 404 errors when refreshing the page on inner URLs.

PowerShell
<IfModule mod_rewrite.c>
  RewriteEngine On
  RewriteBase /
  RewriteRule ^index\.html$ - [L]
  RewriteCond %{REQUEST_FILENAME} !-f
  RewriteCond %{REQUEST_FILENAME} !-d
  RewriteCond %{REQUEST_FILENAME} !-l
  RewriteRule . /index.html [L]
</IfModule>

In summary, this code tells Apache to rewrite all requests that aren’t for an existing file, directory or symbolic link to the “/index.html” file. This allows the React application to handle the request and render the appropriate component, instead of returning a 404 error.

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