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Regex ambiguity detection

Also called ambiguous regex detection.

Decide whether a regex admits two different ways to match some string, a cause of ReDoS.

Decide whether a regex admits two different ways to match some string, a cause of ReDoS.

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The build computes these levels from the evidence in the repository. Each row says what the next level needs. Read what the levels mean.

LadderLevelWhat the next level needs
Human proofH0 no proof
  • add a proof in proofs/ (06.5)
LeanL0 no Lean part
  • name a Lean module in the lean field (07)
VisualV0 none
  • add viz/scene.ts or a figure (10)
WritingW0 stub
  • Definition
  • one source with a locator