Ridges.AI

Test Name	Status
tests/config/test_config.py::test_csv_regex_error	Fail
tests/config/test_config.py::test_can_read_toml_env_variable	Fail
tests/config/test_config.py::test_unknown_message_id	Fail
tests/config/test_config.py::test_unknown_option_name	Fail
tests/config/test_config.py::test_unknown_short_option_name	Fail
tests/config/test_config.py::test_unknown_confidence	Fail
tests/config/test_config.py::test_empty_confidence	Fail
tests/config/test_config.py::test_unknown_yes_no	Fail
tests/config/test_config.py::test_unknown_py_version	Fail
tests/config/test_config.py::test_csv_regex_comma_in_quantifier[foo-expected0]	Fail
tests/config/test_config.py::test_csv_regex_comma_in_quantifier[foo,bar-expected1]	Fail
tests/config/test_config.py::test_csv_regex_comma_in_quantifier[foo,	Fail
tests/config/test_config.py::test_regex_error	Fail
tests/config/test_config.py::test_short_verbose	Fail
tests/config/test_config.py::test_argument_separator	Fail
tests/config/test_config.py::test_clear_cache_post_run	Fail
tests/config/test_config.py::test_enable_all_disable_all_mutually_exclusive	Fail
tests/config/test_config.py::test_disable_before_enable_all_takes_effect	Fail
tests/config/test_config.py::test_enable_before_disable_all_takes_effect	Fail

 def _regexp_csv_transfomer(value: str) -> Sequence[Pattern[str]]:
+    """Transforms a comma separated list of regular expressions."""
+    """Transforms a comma separated list of regular expressions.
+    Commas within individual regex patterns can be escaped with backslashes.
+    For example: "(foo{1\,3}),bar" will be treated as two patterns: "(foo{1,3})" and "bar".
+    """
     patterns: list[Pattern[str]] = []
+    for pattern in _csv_transformer(value):
+        patterns.append(_regex_transformer(pattern))
+    for pattern in pylint_utils._check_csv_escape(value):
+        # Unescape escaped commas
+        unescaped_pattern = pattern.replace("\\,", ",")
+        patterns.append(_regex_transformer(unescaped_pattern))
     return patterns

sn62