Add name regex filters for repo endpoint

fixes pulp#4432

CHANGES/4432.feature

@@ -0,0 +1 @@
+Added regex name filters (``name__regex`` and ``name__iregex``) to the repositories endpoint.

pulpcore/app/viewsets/repository.py

@@ -92,7 +92,7 @@ class RepositoryFilter(BaseFilterSet):
     class Meta:
         model = Repository
         fields = {
-            "name": NAME_FILTER_OPTIONS,
+            "name": NAME_FILTER_OPTIONS + ["regex", "iregex"],
             "retain_repo_versions": NULLABLE_NUMERIC_FILTER_OPTIONS,
         }
 

pulpcore/tests/functional/api/test_repos.py

@@ -48,3 +48,24 @@ def test_repository_content_filters(
     # but not in its latest version anymore
     results = file_repository_api_client.list(latest_with_content=content.pulp_href).results
     assert results == []
+
+
+@pytest.mark.parallel
+def test_repository_name_regex_filters(
+    file_repository_factory,
+    file_repository_api_client,
+):
+    """Test repository's name regex filters."""
+    repo = file_repository_factory(name="regex-test-repo")
+    pattern = "regex-test.*"
+
+    results = file_repository_api_client.list(name__regex=pattern).results
+    assert results == [repo]
+
+    # upper case pattern
+    results = file_repository_api_client.list(name__regex=pattern.upper()).results
+    assert results == []
+
+    # upper case pattern with iregex
+    results = file_repository_api_client.list(name__iregex=pattern.upper()).results
+    assert results == [repo]