Rework mirai core

external/mirai-core-old/include/mirai-core/utils.h

@@ -0,0 +1,22 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#pragma once
+
+#include <algorithm>
+#include <cctype>
+#include <cpp-utils/string.h>
+#include <cpp-utils/vector.h>
+#include <locale>
+#include <regex>
+
+namespace mirai
+{
+namespace stringUtils = cpputils::string;
+namespace vectorUtils = cpputils::vector;
+
+bool isDate(const std::string &dateStr);
+} // namespace mirai