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No AI · Pure Regex3 free scans/day · Unlimited with Pro

Prompt Injection Detector

Test your AI application against 15 deterministic attack patterns — instruction overrides, DAN jailbreaks, token smuggling, encoding attacks, and more. Zero AI hallucination: pure regex, instant results.

How it works

Scans any text for prompt injection patterns using 15 deterministic regex patterns — no AI, no false positives. Detects jailbreaks (DAN, STAN), instruction override attempts, data extraction probes, role-play attacks, and encoded bypass techniques. Results are instant and fully explainable.

What you get

  • ✓Pattern match count and risk level (Clean to Critical)
  • ✓Each detected pattern named and explained
  • ✓The exact matched text highlighted
  • ✓Injection category: jailbreak / override / extraction
  • ✓Use case: paste before sending to an LLM to catch attacks
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