How to force the browser to reload cached CSS/JS files?

Question

I have noticed that some browsers (in particular, Firefox and Opera) are very zealous in using cached copies of .css and .js files, even be

Answer 1

The RewriteRule needs a small update for js or css files that contain a dot notation versioning at the end. E.g. json-1.3.js.

I added a dot negation class [^.] to the regex so .number. is ignored.

RewriteRule ^(.*)\.[^.][\d]+\.(css|js)$ $1.$2 [L]