Regular expression for Password at least 8 characters, 1 number and both lower and uppercase letters and special characters : <p>I've seen question online but most of them were not classified as accepted answers and the rest don't work. </p>

<p>I'm trying to make a regular expression in asp.net for a password that contains at least 8 characters, at least one upper case character, at least one lower case character, at least one number, and at least one special character.</p>
