Question

how to create a password in python 1 alphabet 1 digit 1character

Answer 1

You can make use of this: 

^(?=.*[a-zA-Z])(?=.*\d)(?=.*[!@#$%^&*()_+])[A-Za-z\d][A-Za-z\d!@#$%^&*()_+]{7,19}$

• [A-Za-z\d] Ensures that the first character is an alphabet or digit.

• [A-Za-z\d!@#$%^&*()_+]{7,19} will match minimum 7 maximum 19 character. This is required as he presceding character class would consume a single character making the total number of characters in the string as minimum 8 and maximum 20.

• $ Anchors the regex at the end of the string. Ensures that there is nothing following our valid password