Password validation

Use the following

Minimum 8 characters at least 1 Alphabet and 1 Number: "^(?=.[A-Za-z])(?=.\d)[A-Za-z\d]{8,}$"

Minimum 8 characters at least 1 Alphabet, 1 Number and 1 Special Character:

"^(?=.[A-Za-z])(?=.\d)(?=.[$@$!%#?&])[A-Za-z\d$@$!%*#?&]{8,}$"

Minimum 8 characters at least 1 Uppercase Alphabet, 1 Lowercase Alphabet and 1 Number:

"^(?=.[a-z])(?=.[A-Z])(?=.*\d)[a-zA-Z\d]{8,}$"

Minimum 8 characters at least 1 Uppercase Alphabet, 1 Lowercase Alphabet, 1 Number and 1 Special Character:

"^(?=.[a-z])(?=.[A-Z])(?=.\d)(?=.[$@$!%?&])[A-Za-z\d$@$!%?&]{8,}"

Minimum 8 and Maximum 10 characters at least 1 Uppercase Alphabet, 1 Lowercase Alphabet, 1 Number and 1 Special Character:

"^(?=.[a-z])(?=.[A-Z])(?=.\d)(?=.[$@$!%?&])[A-Za-z\d$@$!%?&]{8,10}"