Validation of a Password – Python

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You can use re module for regular expressions.

With it your code would look like this:

import re

def validate():
    while True:
        password = raw_input("Enter a password: ")
        if len(password) < 8:
            print("Make sure your password is at lest 8 letters")
        elif re.search('[0-9]',password) is None:
            print("Make sure your password has a number in it")
        elif re.search('[A-Z]',password) is None: 
            print("Make sure your password has a capital letter in it")
        else:
            print("Your password seems fine")
            break

validate()

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