FindEllipsesPatterns - finds all ellipses patterns, recursively and parses the ranges numerically.

HasEllipses - returns true if input arg has ellipses type pattern.

ErrInvalidEllipsesFormatFn error returned when invalid ellipses format is detected.

Pattern - ellipses pattern, describes the range and also the associated prefix and suffixes.

ArgPattern contains a list of patterns provided in the input.