code: def _regexSearchKeyValueCombo(policy_data, policy_regpath, policy_regkey):
      '''
      helper function to do a search of Policy data from a registry.pol file
      for a policy_regpath and policy_regkey combo
      '''
      if policy_data:
          specialValueRegex = salt.utils.stringutils.to_bytes(r'(\*\*Del\.|\*\*DelVals\.){0,1}')
          _thisSearch = b''.join([salt.utils.stringutils.to_bytes(r'\['),
                                 re.escape(policy_regpath),
                                 b'\00;',
                                 specialValueRegex,
                                 re.escape(policy_regkey),
                                 b'\00;'])
          match = re.search(_thisSearch, policy_data, re.IGNORECASE)
          if match:
              # add 2 so we get the ']' and the \00
              # to return the full policy entry
              return policy_data[match.start():(policy_data.index(b']', match.end())) + 2]
  
      return Nonf _regexSearchKeyValueCombo(policy_data, policy_regpath, policy_regkey):
      '''
      helper function to do a search of Policy data from a registry.pol file
      for a policy_regpath and policy_regkey combo
      '''
      if policy_data:
          specialValueRegex = salt.utils.stringutils.to_bytes(r'(\*\*Del\.|\*\*DelVals\.){0,1}')
          _thisSearch = b''.join([salt.utils.stringutils.to_bytes(r'\['),
                                 re.escape(policy_regpath),
                                 b'\00;',
                                 specialValueRegex,
                                 re.escape(policy_regkey),
                                 b'\00;'])
          match = re.search(_thisSearch, policy_data, re.IGNORECASE)
          if match:
              # add 2 so we get the ']' and the \00
              # to return the full policy entry
              return policy_data[match.start():(policy_data.index(b']', match.end())) + 2]
  
      return None
docs: helper function to do a search of Policy data from a registry.pol file
      for a policy_regpath and policy_regkey combo