diff --git a/tests/test_cli.py b/tests/test_cli.py
index 667a253..47e6d38 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -1,3 +1,5 @@
+from pathlib import Path
+from typing import Literal
 import pytest
 
 from typer.testing import CliRunner
@@ -9,7 +11,7 @@
 runner = CliRunner()
 
 
-def test_graph(package_path):
+def test_graph(package_path: Path):
     result = runner.invoke(
         app,
         ["graph", "example.base:Base", "--import-module", "example.models", "--python-dir", str(package_path)],
@@ -20,7 +22,7 @@ def test_graph(package_path):
 
 
 @pytest.mark.parametrize("column_sort_arg", ["key-based", "preserve-order"])
-def test_graph_column_sort(package_path, column_sort_arg):
+def test_graph_column_sort(package_path: Path, column_sort_arg: Literal['key-based'] | Literal['preserve-order']):
     result = runner.invoke(
         app,
         [
@@ -39,7 +41,7 @@ def test_graph_column_sort(package_path, column_sort_arg):
     mermaid_assert(result.stdout)
 
 
-def test_graph_with_exclusion(package_path):
+def test_graph_with_exclusion(package_path: Path):
     result = runner.invoke(
         app,
         [
@@ -58,7 +60,7 @@ def test_graph_with_exclusion(package_path):
     assert "comments {" not in result.stdout
 
 
-def test_graph_with_inclusion(package_path):
+def test_graph_with_inclusion(package_path: Path):
     result = runner.invoke(
         app,
         [
@@ -77,7 +79,7 @@ def test_graph_with_inclusion(package_path):
     assert "comments {" in result.stdout
 
 
-def test_inject_check(package_path):
+def test_inject_check(package_path: Path):
     result = runner.invoke(
         app,
         [
@@ -94,7 +96,7 @@ def test_inject_check(package_path):
     assert result.exit_code == 1
 
 
-def test_inject(package_path):
+def test_inject(package_path: Path):
     result = runner.invoke(
         app,
         [
@@ -115,7 +117,7 @@ def test_inject(package_path):
 
 
 @pytest.mark.parametrize("column_sort_arg", ["key-based", "preserve-order"])
-def test_inject_column_sort(package_path, column_sort_arg):
+def test_inject_column_sort(package_path: Path, column_sort_arg: Literal['key-based'] | Literal['preserve-order']):
     result = runner.invoke(
         app,
         [
@@ -140,3 +142,47 @@ def test_inject_column_sort(package_path, column_sort_arg):
 def test_version():
     result = runner.invoke(app, ["version"])
     assert result.exit_code == 0
+
+from click.testing import CliRunner
+from paracelsus.cli import cli
+
+
+
+def test_graph_with_inclusion_regex(package_path: Path):
+    result = runner.invoke(
+        app,
+        [
+            "graph",
+            "example.base:Base",
+            "--import-module",
+            "example.models",
+            "--python-dir",
+            str(package_path),
+            "--include-tables",
+            "^com.*",
+        ],
+    )
+    assert result.exit_code == 0
+    assert "regular_table {" not in result.stdout
+    assert "first_test {" in result.stdout
+    assert "second{" not in result.stdout
+
+
+def test_graph_with_exclusion_regex(package_path: Path):
+    result = runner.invoke(
+        app,
+        [
+            "graph",
+            "example.base:Base",
+            "--import-module",
+            "example.models",
+            "--python-dir",
+            str(package_path),
+            "--exclude-tables",
+            "pos.*",
+        ],
+    )
+    assert result.exit_code == 0
+    assert "regular_table {" in result.stdout
+    assert "first {" not in result.stdout
+    assert "second {" in result.stdout
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