A Developer's Handbook to Safe Regular Expressions
About this Capsule
Regular expressions are powerful tools for matching and validating text, but they require careful construction to avoid errors and performance issues. This collection presents practical patterns for common tasks like email and IP address validation, explains how to use anchors and assertions to control matches, and highlights strategies to prevent security risks such as catastrophic backtracking. It also covers Unicode-aware techniques and testing methods to ensure reliable and efficient regex usage.
Covered in this capsule
Practical regex patterns with best practices.
Practical programming patterns and pitfalls
Empirical verification through controlled testing.
Regex testing challenges and developer strategies
Unicode-aware regex patterns and pitfalls
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