Compare this string with with _buffer, which will be treated as though its size is _length.
Case is ignored.
- Parameters:
-
| _buffer | Buffer to compare against. |
| _length | Number of character to compare. |
- Returns:
- a negavite value when this string < _buffer
- zero when this string == _buffer
- a positive value when this string > _buffer
- See also:
- compare_case