At the end of this article you will understand what “^(?=.*[a-z])(?=.*[A-Z])(?=.*).*” means Introduction to C# Regex: why it’s a powerful tool for text manipulation Before diving into the magical world of regular expressions, let’s get an idea of why using C# Regex is important and how it can boost your productivity as a developer. In this section, we’ll walk through the basics of regular expressions, their syntax, and key elements to help you...