Regex (NeMo Guardrail)

# INPUT RAILS

flow regex check input
  """Check if the user input matches any forbidden regex patterns."""
  $result = await DetectRegexMatchAction(source="input", text=$user_message)

  if $result["is_match"]
    bot refuse to respond
    abort


# OUTPUT RAILS


flow regex check output
  """Check if the bot output matches any forbidden regex patterns."""
  $result = await DetectRegexMatchAction(source="output", text=$bot_message)

  if $result["is_match"]
    bot refuse to respond
    abort


# RETRIEVAL RAILS


flow regex check retrieval
  """Check if the relevant chunks from the knowledge base match any forbidden regex patterns.
  """
  $result = await DetectRegexMatchAction(source="retrieval", text=$relevant_chunks)

  if $result["is_match"]
    $relevant_chunks = ""