Apache mod_rewrite Cheat Sheet
The mod_rewrite cheat sheet is designed to act as a reminder and reference sheet, listing useful information about mod_rewrite. It includes a list of flags for the RewriteRule and RewriteCond directives, list of server variables, a regular expression guide and several examples of common rules. A description of what is on the cheat sheet follows, or if you are impatient, you can go straight to the full size mod_rewrite cheat sheet