my main goal right now is to forbid some chars entering in line edit.I want to forbid (!@#$%^&*()) chars, cause i do use SQL Database and someone can damage my database without filters for this chars.I tried to use setInputMask but in this way i can use only alphabets.I need to use '-' sign too for some names like "Anna-Maria". So finally, setInputMethodHints is not working and i don't know what to do. I just need to forbid some "dangerous" chars. If you can, please provide me some source code. Thank you in advance.
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