Dive into a comprehensive 17-minute tutorial on Regular Expressions (Regex), an essential skill for cybersecurity professionals. Learn to extract key data from large datasets, validate user inputs to prevent security threats, and automate tasks using tools like grep, sed, or programming languages such as Python and Perl. Explore the fundamentals of Regex, including its definition, importance in cybersecurity, key elements, and potential challenges. Gain practical knowledge through real-world examples, such as matching email addresses and IP addresses. Master concepts like anchors, ranges, quantifiers, sequences, and lookahead in Regex to streamline security workflows and enhance your cybersecurity toolkit.