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
what is the difference between a regular expression (regex) and a wildcard using in programming language?
user
regular expressions are a sequence of characters used to match a pattern in a string. they are used to validate and extract information from a string, while wildcards are special characters that represent multiple characters. wildcards are used in commands and programs to match a group of related characters and can be used to access files and directories in the operating system.
assistant