Revert "Update excluding-paths.md"

This reverts commit d82f45d.

Author: thomas-zahner

src/content/docs/recipes/excluding-paths.md

@@ -17,6 +17,12 @@ Alternatively, you can also use the `exclude_path` key in the configuration file
 exclude_path = ["node_modules"]
 ```
 
+Regular expressions are also supported.
+
+```toml title="lychee.toml"
+exclude_path = ["node_modules", "^./dir/", ".*/dev/.*"]
+```
+
 [Here](https://github.com/mre/endler.dev/blob/50d8d5f90dbafa445c9455e420a40f8866f3e1c7/lychee.toml#L28) is an example config file.
 
 ## Examples