Expresión para -válvate contraseas
/(?=(.*[0-9]))(?=.*[\!@#$%^&*()\\[\]{}\-_+=|:;"'<>,./?])(?=.*[a-z])(?=(.*[A-Z]))(?=(.*)).{8,}/
Horrible Hedgehog
/(?=(.*[0-9]))(?=.*[\!@#$%^&*()\\[\]{}\-_+=|:;"'<>,./?])(?=.*[a-z])(?=(.*[A-Z]))(?=(.*)).{8,}/