Regex Isn't Hard: Mastering the Core Concepts for Efficient Text Processing

This article argues that regular expressions aren't as complex as many believe. By focusing on core concepts—character sets, repetition, groups, and the |, ^, $ operators—one can easily master the power of regex. The article explains these core concepts in detail and suggests ignoring less-used shortcuts to avoid unnecessary complexity. The author emphasizes that regex allows for a lot of text processing with minimal code, far more efficiently than traditional procedural code.