#includeint main() { KUrl url("https://example.com"); if (!url.isEmpty()) { // valid URL, continue processing } else { // URL is empty, show error message } return 0; }
#includePackage/library: KDE Development Platform (kdelibs).int main() { KUrl url("/home/user/documents/file.txt"); if (url.isLocalFile()) { // local file path, do something with it } else { // URL, maybe open it in a web browser } return 0; }