This document will provide some handy URLs to tutorials and tips/tricks on Apache’s mod_rewrite.
Official documentation (Apache website): http://httpd.apache.org/docs/1.3/mod/mod_rewrite.html
Tips and tricks: http://www.askapache.com/htaccess/mod_rewrite-tips-and-tricks.html
Top 21 .htaccess tips and tricks: https://viralpatel.net/blogs/21-very-useful-htaccess-tips-tricks/
While using mod_rewrite is a fairly complex (but worthwhile endeavor) we may provide general answers and help troubleshoot basic mod_rewrite issues should you have any if you open a support ticket via MyCP.