link: improve matching of correct heading in note links

CHANGELOG.md

@@ -6,6 +6,7 @@
 - toggling the experimental note tree mode in the settings now requires a restart
   of the application, to make sure the panels are initialized correctly
   (for [#790](https://github.com/pbek/QOwnNotes/issues/790))
+- the matching of the correct heading in note links was improved
 
 ## 23.12.3
 - the speed of link highlighting in lists starting with 4 spaces or more was improved

src/utils/urlhandler.cpp

@@ -112,7 +112,11 @@ void UrlHandler::handleNoteUrl(QString urlString, const QString &fragment) {
 
         // jump to the Markdown heading in the note that is represented by the url fragment
         if (!fragment.isEmpty()) {
-            mw->doSearchInNote("\"## " + fragment + "\"");
+            // Search with a regular expression for the fragment to make sure
+            // we are searching for the full heading
+            auto searchTerm = QStringLiteral("## ") + QRegularExpression::escape(fragment) +
+                              QStringLiteral("$");
+            mw->activeNoteTextEdit()->doSearch(searchTerm, QPlainTextEditSearchWidget::RegularExpressionMode);
             mw->activeNoteTextEdit()->searchWidget()->deactivate();
         }
     } else {