diff --git a/README.md b/README.md
index c5d608b..dddb137 100644
--- a/README.md
+++ b/README.md
@@ -185,9 +185,11 @@ RSpec::OpenAPI.example_types = %i[request]
 RSpec::OpenAPI.ignored_path_params = %i[controller action format]
 
 # Configure which paths to ignore.
-# In a complex test case, you may need to call an API, which you want to exclude from OpenAPI schema.
+# You can exclude some specs via `openapi: false`.
+# But, in a complex API usage scenario, you may need to include spec itself, but exclude some private paths.
 # In that case, you can specify the paths to ignore.
-RSpec::OpenAPI.ignored_paths = ["/foo/bar"]
+# String or Regexp is acceptable.
+RSpec::OpenAPI.ignored_paths = ["/admin/full/path/", Regexp.new("^/_internal/")]
 ```
 
 ### Can I use rspec-openapi with `$ref` to minimize duplication of schema?
diff --git a/lib/rspec/openapi/record_builder.rb b/lib/rspec/openapi/record_builder.rb
index 0bd3998..ea243b8 100644
--- a/lib/rspec/openapi/record_builder.rb
+++ b/lib/rspec/openapi/record_builder.rb
@@ -14,7 +14,7 @@ def build(context, example:)
     path, summary, tags, operation_id, required_request_params, raw_path_params, description, security =
       extract_request_attributes(request, example)
 
-    return if RSpec::OpenAPI.ignored_paths.include?(path)
+    return if RSpec::OpenAPI.ignored_paths.any? { |ignored_path| path.match?(ignored_path) }
 
     request_headers, response_headers = extract_headers(request, response)
 
diff --git a/spec/integration_tests/rails_test.rb b/spec/integration_tests/rails_test.rb
index 9d2bc4d..c3bac04 100644
--- a/spec/integration_tests/rails_test.rb
+++ b/spec/integration_tests/rails_test.rb
@@ -11,7 +11,7 @@
 RSpec::OpenAPI.request_headers = %w[X-Authorization-Token]
 RSpec::OpenAPI.response_headers = %w[X-Cursor]
 RSpec::OpenAPI.path = File.expand_path("../rails/doc/openapi.#{ENV.fetch('OPENAPI_OUTPUT', nil)}", __dir__)
-RSpec::OpenAPI.ignored_paths = ["/admin/masters/extensions"]
+RSpec::OpenAPI.ignored_paths = [Regexp.new("/admin/.*$")]
 RSpec::OpenAPI.comment = <<~COMMENT
   This file is auto-generated by rspec-openapi /~https://github.com/k0kubun/rspec-openapi