def apply_substitutions(row):
	"""
	Replace @-rules (e.g. @yearly) with the corresponding cron standard expression (e.g. "0 0 1 1 *")

	Args:
		row: Initial row

	Returns:
		str: The row with @-rules replaced
	"""
	row = row.replace('@yearly',   '0 0 1 1 *')
	row = row.replace('@annually', '0 0 1 1 *')
	row = row.replace('@monthly',  '0 0 1 * *')
	row = row.replace('@weekly',   '0 0 * * 0')
	row = row.replace('@daily',    '0 0 * * *')
	row = row.replace('@hourly',   '0 * * * *')
	return row