original_string: private static function explodeOnDelims(string $string): array
      {
          $string = preg_replace('/[^a-z0-9]+/i', '_', $string);
          $string = trim($string, '_');
  
          return explode('_', $string);
      }
code: private static function explodeOnDelims(string $string): array
      {
          $string = preg_replace('/[^a-z0-9]+/i', '_', $string);
          $string = trim($string, '_');
  
          return explode('_', $string);
      }
code_tokens: private static function explodeOnDelims ( string $ string ) : array { $ string = preg_replace ( '/[^a-z0-9]+/i' , '_' , $ string ) ; $ string = trim ( $ string , '_' ) ; return explode ( '_' , $ string ) ; }
docstring: Splits a string into a list on non-word breaks
  
  @param string $string The input string
  
  @return array
docstring_tokens: Splits a string into a list on non - word breaks