Can perform user sign in.

utils/accountutils.cpp

@@ -0,0 +1,16 @@
+#include <QRegularExpression>
+
+#include "accountutils.h"
+
+AccountUtils::AccountUtils()
+{
+
+}
+
+bool AccountUtils::CheckEmailAddress(const QString &email)
+{
+    QRegExp regex("\\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,4}\\b");
+    regex.setCaseSensitivity(Qt::CaseInsensitive);
+    regex.setPatternSyntax(QRegExp::RegExp);
+    return regex.exactMatch(email);
+}

utils/accountutils.h

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+/**
+ * Account utilities
+ *
+ * @author Pierre HUBERT
+ */
+
+#ifndef ACCOUNTUTILS_H
+#define ACCOUNTUTILS_H
+
+#include <QObject>
+
+class AccountUtils
+{
+public:
+    AccountUtils();
+
+    /**
+     * Determine whether an email address is valid or not
+     *
+     * @param email The email address to check
+     * @return TRUE if the email is valid / FALSE else
+     */
+    bool static CheckEmailAddress(const QString &email);
+};
+
+#endif // ACCOUNTUTILS_H

utils/jsonutils.cpp

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+#include "jsonutils.h"
+
+JSONUtils::JSONUtils()
+{
+
+}

utils/jsonutils.h

@@ -0,0 +1,17 @@
+/**
+ * JSON utilities
+ *
+ * @author Pierre HUBERT
+ */
+
+#ifndef JSONUTILS_H
+#define JSONUTILS_H
+
+
+class JSONUtils
+{
+public:
+    JSONUtils();
+};
+
+#endif // JSONUTILS_H