General Programming Discussions

Did you ever learn what ^(?i)(?<word>\p{L}+\d{2,4}(?:-\w+)?)(?=\s|$)(?:.*?\k<word>.*)+$ would ever do? Do you want to? I thought I would put together a document that was created almost a decade ago involving Regular Expressions (regex). If anyone is interested, you can view the tutorial: Regular Expression Tutorial pg1 Different Regular Expression Engines pg 2 Literal Characters pg 3 Special Characters pg 4 Non-Printable Characters pg 5 First Look at How a Regex Engine Works Internally pg 6 Character Classes or Character Sets pg 7 The Dot Matches (Almost) Any Character pg 8 Start of String and End of String Anchors pg 9 Word Boundaries pg 10 Alternation with t…

If you’ve been exploring different programming languages, you might have noticed they share a lot of foundational concepts. Despite their differences in syntax or specific use cases, many languages are built on the same core principles. Let’s take a closer look at what makes them similar. Common Features in Programming Languages 1. Variables and Data Types Almost all programming languages allow you to store data in variables, often categorized into types like strings, integers, or floats. Python: greeting = "Hello" C char greeting[] = "Hello"; Swift: let greeting = "Hello" 2. Loops Loops are a universal construct for repeating ta…