diff --git a/src/core/kcoredirlister.h b/src/core/kcoredirlister.h
--- a/src/core/kcoredirlister.h
+++ b/src/core/kcoredirlister.h
@@ -590,6 +590,7 @@
      * @param name the name to filter
      * @param filters a list of regular expressions for filtering
      */
+    // TODO KF6 remove
     virtual bool doNameFilter(const QString &name, const QList<QRegExp> &filters) const;
 
     /**
@@ -599,6 +600,7 @@
      * @param mime the mime type to filter
      * @param filters the list of mime types to filter
      */
+    // TODO KF6 remove
     virtual bool doMimeFilter(const QString &mime, const QStringList &filters) const;
 
     /**
diff --git a/src/core/kcoredirlister.cpp b/src/core/kcoredirlister.cpp
--- a/src/core/kcoredirlister.cpp
+++ b/src/core/kcoredirlister.cpp
@@ -30,7 +30,7 @@
 #include "kiocoredebug.h"
 #include "../pathhelpers_p.h"
 
-#include <QRegExp>
+#include <QRegularExpression>
 #include <QFileInfo>
 #include <QFile>
 #include <QTextStream>
@@ -2302,7 +2302,9 @@
     // Split on white space
     const QStringList list = nameFilter.split(QLatin1Char(' '), QString::SkipEmptyParts);
     for (const QString &filter : list) {
-        d->settings.lstFilters.append(QRegExp(filter, Qt::CaseInsensitive, QRegExp::Wildcard));
+        d->settings.lstFilters.append(
+            QRegularExpression(QRegularExpression::wildcardToRegularExpression(filter),
+                               QRegularExpression::CaseInsensitiveOption));
     }
 }
 
@@ -2349,7 +2351,13 @@
 
 bool KCoreDirLister::matchesFilter(const QString &name) const
 {
-    return doNameFilter(name, d->settings.lstFilters);
+    for (const QRegularExpression &filter : d->settings.lstFilters) {
+        if (filter.match(name).hasMatch()) {
+            return true;
+        }
+    }
+
+    return false;
 }
 
 bool KCoreDirLister::matchesMimeFilter(const QString &mime) const
diff --git a/src/core/kcoredirlister_p.h b/src/core/kcoredirlister_p.h
--- a/src/core/kcoredirlister_p.h
+++ b/src/core/kcoredirlister_p.h
@@ -34,6 +34,7 @@
 #include <kio/global.h>
 #include <kdirwatch.h>
 
+class QRegularExpression;
 class KCoreDirLister;
 namespace KIO
 {
@@ -144,7 +145,7 @@
         FilterSettings() : isShowingDotFiles(false), dirOnlyMode(false) {}
         bool isShowingDotFiles;
         bool dirOnlyMode;
-        QList<QRegExp> lstFilters;
+        QVector<QRegularExpression> lstFilters;
         QStringList mimeFilter;
         QStringList mimeExcludeFilter;
     };