RedFlag Rehearsal

A Python rehearsal engine for evaluating candidate regex rules with AST import/attribute gates, Unicode text normalization, subprocess timeouts, precision/recall scoring and rollback state.

Period
October 2026
Release
Public source project
Work type
Independent open-source project
Development
AI-assisted, with verification
01 / Overview

What I built

A Python rehearsal engine for evaluating candidate regex rules with AST import/attribute gates, Unicode text normalization, subprocess timeouts, precision/recall scoring and rollback state.

Developed with AI coding assistance. Source code, reproduction instructions and tests are available in the linked repository.

02 / Evidence

What was checked

27 automated pytest checks passed locally on 2 November 2026.

RedFlag Rehearsal workflow diagram
Workflow illustration, not a screenshot of an executed run.

Verification date: 2 November 2026. Tests cover the included fixtures and do not establish production performance.

03 / Scope

What this demonstrates

AST checks and subprocess timeouts provide a local rehearsal gate for reviewed rules; they do not form an OS-level security sandbox for untrusted code.

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