original_docstring: 
          Returns the string to use in a query when performing regular expression
          lookups (using "regex" or "iregex"). The resulting string should
          contain a '%s' placeholder for the column being searched against.
  
          If the feature is not supported (or part of it is not supported), a
          NotImplementedError exception can be raised.
          
docstring: Returns the string to use in a query when performing regular expression
  lookups (using "regex" or "iregex"). The resulting string should
  contain a '%s' placeholder for the column being searched against.
  
  If the feature is not supported (or part of it is not supported), a
  NotImplementedError exception can be raised.
docstring_tokens: Returns the string to use in a query when performing regular expression lookups ( using " regex " or " iregex " ) . The resulting string should contain a ' %s ' placeholder for the column being searched against . If the feature is not supported ( or part of it is not supported ) a NotImplementedError exception can be raised .
code: def regex_lookup(self, lookup_type):
          """
          Returns the string to use in a query when performing regular expression
          lookups (using "regex" or "iregex"). The resulting string should
          contain a '%s' placeholder for the column being searched against.
  
          If the feature is not supported (or part of it is not supported), a
          NotImplementedError exception can be raised.
          """
          raise NotImplementedError('SQL Server has no built-in regular expression support.')
code_tokens: def regex_lookup ( self , lookup_type ) : raise NotImplementedError ( 'SQL Server has no built-in regular expression support.' )
short_docstring: Returns the string to use in a query when performing regular expression
  lookups (using "regex" or "iregex").
short_docstring_tokens: Returns the string to use in a query when performing regular expression lookups ( using " regex " or " iregex " ) .
comment: """
          Returns the string to use in a query when performing regular expression
          lookups (using "regex" or "iregex"). The resulting string should
          contain a '%s' placeholder for the column being searched against.
  
          If the feature is not supported (or part of it is not supported), a
          NotImplementedError exception can be raised.
          """