diff --git a/tests/end2end/conftest.py b/tests/end2end/conftest.py
index b2f7b1484..7f80d6acb 100644
--- a/tests/end2end/conftest.py
+++ b/tests/end2end/conftest.py
@@ -74,7 +74,7 @@ def _get_version_tag(tag):
         (?P<version>\d+\.\d+(\.\d+)?)
     """, re.VERBOSE)
 
-    match = version_re.match(tag)
+    match = version_re.fullmatch(tag)
     if not match:
         return None
 
@@ -125,7 +125,7 @@ def _get_dictionary_tag(tag):
         (?P<event>must_have_dict|cannot_have_dict)=(?P<dict>[a-z]{2}-[A-Z]{2})
     """, re.VERBOSE)
 
-    match = dict_re.match(tag)
+    match = dict_re.fullmatch(tag)
     if not match:
         return None
 
diff --git a/tests/end2end/fixtures/quteprocess.py b/tests/end2end/fixtures/quteprocess.py
index a0b48ab4b..7accddc03 100644
--- a/tests/end2end/fixtures/quteprocess.py
+++ b/tests/end2end/fixtures/quteprocess.py
@@ -48,7 +48,7 @@ def is_ignored_qt_message(message):
     """Check if the message is listed in qt_log_ignore."""
     regexes = pytest.config.getini('qt_log_ignore')
     for regex in regexes:
-        if re.match(regex, message):
+        if re.search(regex, message):
             return True
     return False
 
diff --git a/tests/end2end/fixtures/testprocess.py b/tests/end2end/fixtures/testprocess.py
index 570a3125c..eb7123388 100644
--- a/tests/end2end/fixtures/testprocess.py
+++ b/tests/end2end/fixtures/testprocess.py
@@ -335,7 +335,7 @@ class Process(QObject):
         if expected is None:
             return True
         elif isinstance(expected, regex_type):
-            return expected.match(value)
+            return expected.fullmatch(value)
         elif isinstance(value, (bytes, str)):
             return utils.pattern_match(pattern=expected, value=value)
         else:
diff --git a/tests/unit/misc/test_checkpyver.py b/tests/unit/misc/test_checkpyver.py
index 6487eb263..b61fadc59 100644
--- a/tests/unit/misc/test_checkpyver.py
+++ b/tests/unit/misc/test_checkpyver.py
@@ -44,7 +44,7 @@ def test_python2():
         pytest.skip("python2 not found")
     assert not proc.stdout
     stderr = proc.stderr.decode('utf-8')
-    assert re.match(TEXT, stderr), stderr
+    assert re.fullmatch(TEXT, stderr), stderr
     assert proc.returncode == 1
 
 
@@ -64,7 +64,7 @@ def test_patched_no_errwindow(capfd, monkeypatch):
     checkpyver.check_python_version()
     stdout, stderr = capfd.readouterr()
     assert not stdout
-    assert re.match(TEXT, stderr), stderr
+    assert re.fullmatch(TEXT, stderr), stderr
 
 
 def test_patched_errwindow(capfd, mocker, monkeypatch):
diff --git a/tests/unit/utils/test_debug.py b/tests/unit/utils/test_debug.py
index e32f564c8..b7b5cf3ca 100644
--- a/tests/unit/utils/test_debug.py
+++ b/tests/unit/utils/test_debug.py
@@ -90,8 +90,8 @@ class TestLogTime:
 
             assert len(caplog.records) == 1
 
-            pattern = re.compile(r'^Foobar took ([\d.]*) seconds\.$')
-            match = pattern.match(caplog.records[0].msg)
+            pattern = re.compile(r'Foobar took ([\d.]*) seconds\.')
+            match = pattern.fullmatch(caplog.records[0].msg)
             assert match
 
             duration = float(match.group(1))
diff --git a/tests/unit/utils/test_utils.py b/tests/unit/utils/test_utils.py
index f6eef7f4f..66f5e852d 100644
--- a/tests/unit/utils/test_utils.py
+++ b/tests/unit/utils/test_utils.py
@@ -863,7 +863,7 @@ class TestOpenFile:
         cmdline = '{} -c pass'.format(executable)
         utils.open_file('/foo/bar', cmdline)
         result = caplog.records[0].message
-        assert re.match(
+        assert re.fullmatch(
             r'Opening /foo/bar with \[.*python.*/foo/bar.*\]', result)
 
     @pytest.mark.not_frozen
@@ -872,7 +872,7 @@ class TestOpenFile:
         cmdline = '{} -c pass {{}} raboof'.format(executable)
         utils.open_file('/foo/bar', cmdline)
         result = caplog.records[0].message
-        assert re.match(
+        assert re.fullmatch(
             r"Opening /foo/bar with \[.*python.*/foo/bar.*'raboof'\]", result)
 
     @pytest.mark.not_frozen
@@ -882,7 +882,7 @@ class TestOpenFile:
         config_stub.val.downloads.open_dispatcher = cmdline
         utils.open_file('/foo/bar')
         result = caplog.records[1].message
-        assert re.match(
+        assert re.fullmatch(
             r"Opening /foo/bar with \[.*python.*/foo/bar.*\]", result)
 
     def test_system_default_application(self, caplog, config_stub, mocker):
@@ -890,7 +890,7 @@ class TestOpenFile:
                          new_callable=mocker.Mock)
         utils.open_file('/foo/bar')
         result = caplog.records[0].message
-        assert re.match(
+        assert re.fullmatch(
             r"Opening /foo/bar with the system application", result)
         m.assert_called_with(QUrl('file:///foo/bar'))