remove css with regex code example

Example: regex remove css comment

\/\*.+?\*\/
use the above expression to remove /* CSS comments */

<!--(.*?)-->
use the above expression to remove <!-- HTML comment -->

((?:\/\*(?:[^*]|(?:\*+[^*\/]))*\*+\/)|(?:\/\/.*))
this one is a general expression to remove also //JS comment + /* CSS comment */