diff --git a/tests/test_rtutil.py b/tests/test_rtutil.py
index c57bf40e17fd93d920f425b756d38617cbd0b306..1fed60fe632bc9feac68b8a172c368327350c755 100644
--- a/tests/test_rtutil.py
+++ b/tests/test_rtutil.py
@@ -15,6 +15,8 @@
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 import contextlib
+import itertools
+import re
 
 import pytest
 
@@ -62,6 +64,28 @@ def test_url(rt, ticket_id, attachment_id, expected):
         expected = DEFAULT_RT_URL + expected
     assert rt.url(ticket_id, attachment_id) == expected
 
+@pytest.mark.parametrize('attachment_id,first_link_only', itertools.product(
+    [245, None],
+    [True, False],
+))
+def test_metadata_regexp(rt, attachment_id, first_link_only):
+    if attachment_id is None:
+        match_links = ['rt:220', 'rt://ticket/220']
+    else:
+        match_links = [f'rt:220/{attachment_id}',
+                       f'rt://ticket/220/attachments/{attachment_id}']
+    regexp = rt.metadata_regexp(220, attachment_id, first_link_only=first_link_only)
+    for link in match_links:
+        assert re.search(regexp, link)
+        assert re.search(regexp, link + ' link2')
+        assert re.search(regexp, link + '0') is None
+        assert re.search(regexp, 'a' + link) is None
+        end_match = re.search(regexp, 'link0 ' + link)
+        if first_link_only:
+            assert end_match is None
+        else:
+            assert end_match
+
 @pytest.mark.parametrize('attachment_id', [
     13,
     None,