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
create an example of a regular expression that matches phone numbers from the us and canada.
user
\+?[1][\s-]?\(?[0-9]{3}\)?[\s-]?[0-9]{3}[\s-]?[0-9]{4}
assistant