AK
(/^(?=.*?[A-Za-z])(?=.*?[0-9])[A-Za-z0-9]{4,19}$/.test(password)
Size: a a a
AK
(/^(?=.*?[A-Za-z])(?=.*?[0-9])[A-Za-z0-9]{4,19}$/.test(password)
SZ
AK
SZ
(/^(?=.*?[A-Za-z])(?=.*?[0-9])[A-Za-z0-9]{4,19}$/.test(password)
AK
SZ
SZ
SZ
AK
AK
SZ
SZ
SZ
SZ
MZ
MZ