An Intuitive Grasp of RegEx’s in Python
summary
Builds a physical tile-and-overlay model that demonstrates backtracking (example: matching "ABC" fails on "ABD" and rolls overlays back to slide to the next start), introduces Simple Regex Language (SRL) with a cheat sheet that translates SRL into Python's re (and the third‑party regex module) syntax, and walks through anchors, character classes, escapes, quantifiers (+, , {m,n}) and case‑insensitive flags. Provides a runnable Jupyter notebook* and GitHub link with live examples.
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