as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
construct a regular expression to match a password which contains one or multiple lowercase letters and one or multiple uppercase letters.
user
the regular expression to match a password which contains one or multiple lowercase letters and one or multiple uppercase letters is: ^(?=.*[a-z])(?=.*[a-z])[a-za-z]+$
assistant