"^(?=.*[A-Za-z])(?=.*\d)(?=.*[@$!%*#?&])[A-Za-z\[email protected]$!%*#?&]{6,}$"
https://metanit.com/sharp/tutorial/7.4.php
"^(?=.*[A-Za-z])(?=.*\d)(?=.*[@$!%*#?&])[A-Za-z\[email protected]$!%*#?&]{6,}$"
https://metanit.com/sharp/tutorial/7.4.php