function adAstra(array) {
    let pattern =
        /(\#|\|)(?<item>[A-Za-z\s]+)(\1)(?<date>\d{1,2}\/\d{1,2}\/\d{1,2})(\1)(?<calories>\d{1,5})(\1)/g;
    // /(?<separate>#|\|)(?<item>[A-Za-z ]+)\1(?<expDate>\d{2}\/\d{2}\/\d{2})\1(?<calories>\d+)/g;
    let result = []
    let sum = 0
    let match = pattern.exec(array[0])

    while (match !== null) {
        let date = match.groups.date
        let calories = match.groups.calories
        let items = match.groups.items
        sum += Number(calories)
        result.push([items, date, calories])

        match = pattern.exec(array[0])
    }
    let days = Math.floor(sum/2000)
    console.log(`You have food to last you for: ${days} days!`)
  result.forEach(el=>
        console.log(`Item: ${el[0]}, Best before: ${el[1]}, Nutrition: ${el[2]}`));

}