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
write a regex pattern to match strings of the form a-za-z0-9.
user
the regex pattern to match strings of the form a-za-z0-9 is: /^[a-za-z0-9]+$/
assistant