ECO-CMP-PY-009 — Repeated regex compilation¶

Category: Computation (CMP)
Family: Python (PY)
Layer: Code
Tier: 1
Severity: note
Tags: python, regex, cpu
Legacy ID: ECO-PY-009

Summary¶

Compiling regex repeatedly wastes CPU; compile once and reuse.

Regex compilation is non-trivial; repeated compilation is wasted work.

{
  "confidence": 0.65,
  "notes": "Common in parsing pipelines.",
  "type": "cpu"
}

{
  "languages": [
    "python"
  ],
  "method": "ast"
}

{
  "guidance": "Precompile regex at module init or reuse compiled patterns.",
  "tradeoffs": "Minimal."
}

{
  "system_layers": [
    "code"
  ]
}