diff --git a/README.md b/README.md
index a289bee..a267f82 100644
--- a/README.md
+++ b/README.md
@@ -37,10 +37,11 @@ found in
 The json must have the following fields:
 
 - `coverage_score`: The coverage of the repository.
-- `exclude_path`: This field is used for excluding files from the report. It
-  should be used to exclude autogenerated files. Files in `exclude_path` are
-  separated by one comma. If the repository does not have any autogenerated
-  files, `exclude_path` should be an empty string.
+- `exclude_path`: This field is used for excluding files from the report.
+  File paths that match the given regular expression are skipped. (for example,
+  if multiple files are to be skipped, they must be separated with `|`).
+  It should be used to exclude autogenerated files. If the repository does not
+  have any autogenerated files, `exclude_path` should be an empty string.
 - `crate_features`: `cargo kcov` does not build crate features by default. To
   get the coverage report including optional features, these need to be
   specified in `crate_features` separated by comma. If the crate does not have
diff --git a/coverage_config_aarch64.json.sample b/coverage_config_aarch64.json.sample
index 60dcb24..1f45330 100644
--- a/coverage_config_aarch64.json.sample
+++ b/coverage_config_aarch64.json.sample
@@ -1,5 +1,5 @@
 {
   "coverage_score": 90,
-  "exclude_path": "my_autogenerated_file.rs,second_file.rs",
+  "exclude_path": "my_autogenerated_file\\.rs|path/to/my_folder",
   "crate_features": "my_dummy_feature,dummy_feature2"
 }
diff --git a/coverage_config_x86_64.json.sample b/coverage_config_x86_64.json.sample
index 60dcb24..1f45330 100644
--- a/coverage_config_x86_64.json.sample
+++ b/coverage_config_x86_64.json.sample
@@ -1,5 +1,5 @@
 {
   "coverage_score": 90,
-  "exclude_path": "my_autogenerated_file.rs,second_file.rs",
+  "exclude_path": "my_autogenerated_file\\.rs|path/to/my_folder",
   "crate_features": "my_dummy_feature,dummy_feature2"
 }