Search for a partial match of the pattern at the end of the data.
@param data The data in which to search for. The data may be arbitrary binary data,
but the pattern will always be {@link StandardCharsets#US_ASCII} encoded.
@param offset The offset within the data to start the search
@param length The length of the data to search
@return the length of the partial pattern matched and 0 for no match.
Search for a partial match of the pattern at the end of the data.
@param data The data in which to search for. The data may be arbitrary binary data, but the pattern will always be {@link StandardCharsets#US_ASCII} encoded. @param offset The offset within the data to start the search @param length The length of the data to search @return the length of the partial pattern matched and 0 for no match.