diff --git a/src/api/KWallet/kwallet.cpp b/src/api/KWallet/kwallet.cpp
--- a/src/api/KWallet/kwallet.cpp
+++ b/src/api/KWallet/kwallet.cpp
@@ -176,15 +176,13 @@
         attrs[KSS_ATTR_ENTRYFOLDER] = folder;
         KSecretsService::SearchCollectionItemsJob *searchItemsJob = secretsCollection->searchItems(attrs);
         if (searchItemsJob->exec()) {
-            const QRegularExpression re(QRegularExpression::wildcardToRegularExpression(key));
+            const QRegExp re(key, Qt::CaseSensitive, QRegExp::Wildcard);
             const auto list = searchItemsJob->items();
-            QRegularExpressionMatch match;
             for (KSecretsService::SearchCollectionItemsJob::Item item : list) {
                 KSecretsService::ReadItemPropertyJob *readLabelJob = item->label();
                 if (readLabelJob->exec()) {
                     QString label = readLabelJob->propertyValue().toString();
-                    match = re.match(label);
-                    if (match.hasMatch()) {
+                    if (re.exactMatch(label)) {
                         if (verb(this, label, item.data())) {
                             rc = 0; // one successful iteration already produced results, so success return
                         }
diff --git a/src/runtime/kwalletd/backend/kwalletbackend.cc b/src/runtime/kwalletd/backend/kwalletbackend.cc
--- a/src/runtime/kwalletd/backend/kwalletbackend.cc
+++ b/src/runtime/kwalletd/backend/kwalletbackend.cc
@@ -35,7 +35,7 @@
 #include <QFile>
 #include <QFileInfo>
 #include <QSaveFile>
-#include <QRegularExpression>
+#include <QRegExp>
 #include <QCryptographicHash>
 #include <QStandardPaths>
 
@@ -530,13 +530,11 @@
         return rc;
     }
 
-    QRegularExpression re(QRegularExpression::wildcardToRegularExpression(key));
+    const QRegExp re(key, Qt::CaseSensitive, QRegExp::Wildcard);
 
     const EntryMap &map = _entries[_folder];
-    QRegularExpressionMatch match;
     for (EntryMap::ConstIterator i = map.begin(); i != map.end(); ++i) {
-        match = re.match(i.key());
-        if (match.hasMatch()) {
+        if (re.exactMatch(i.key())) {
             rc.append(i.value());
         }
     }