Regex for Code Analysis: Find Patterns, TODOs, and Tech Debt
Use regex to analyse source code: find TODO comments, detect deprecated APIs, locate hardcoded strings, and enforce style rules across a codebase.
Published:
Tags: developer-tools, regex, code-quality
Regex for Code Analysis: Find Patterns, TODOs, and Tech Debt Searching a codebase with regex is one of the most practical developer skills. Whether you're finding all TODOs before a release, hunting down calls before a PR, detecting hardcoded credentials, or auditing deprecated API usage — regex with grep or ripgrep is faster than any IDE search for large codebases. This article covers the patterns and commands that actually get used. --- Tool Choice: ripgrep Over grep All examples in this article work with both (extended regex) and (ripgrep). Prefer ripgrep: 5–20x faster than grep on large repos due to parallelism and better default file filtering Respects automatically (skips , , etc.) Uses PCRE2 by default (richer lookaheads, , named groups) Better output formatting with file:line…
All articles · theproductguy.in