docs(configuration): add new type (webpack#6225)

* docs(configuration): add new type

* add note

Author: chenxsan

src/content/configuration/other-options.mdx

@@ -432,16 +432,20 @@ Both `hash` and `timestamp` are optional.
 
 ### immutablePaths
 
-`[string]`
+`(RegExp | string)[]`
 
 An array of paths that are managed by a package manager and contain a version or a hash in their paths so that all files are immutable.
 
+Make sure to wrap the path in a capture group if you use regular expressions.
+
 ### managedPaths
 
-`[string]`
+`(RegExp | string)[]`
 
 An array of paths that are managed by a package manager and can be trusted to not be modified otherwise.
 
+Make sure to wrap the path in a capture group if you use regular expressions.
+
 ### module
 
 `object = {hash boolean = true, timestamp boolean = true}`