Ad Astra

function adAstra(input) {
    let pattern = /([|#])(?<itemName>[A-Za-z ]+)\1(?<exp>[\d]{2}\/[\d]{2}\/[\d]{2})\1(?<cal>\d+)\1/gm;
    let text = input[0];
    let totalCalories = 0;
    let result = [];

    let matches = pattern.exec(text);
    while(matches !== null) {
        let info = [];
        let itemName = matches.groups.itemName;
        let expDate = matches.groups.exp;
        let calories = matches.groups.cal;
        info.push(itemName,expDate,calories);
        result.push(info);
        totalCalories += Number(calories);

        matches = pattern.exec(text);
    }

    let days = Math.floor(totalCalories/2000);
    console.log(`You have food to last you for: ${days} days!`);
    for(const array of result) {
        console.log(`Item: ${array[0]}, Best before: ${array[1]}, Nutrition: ${array[2]}`);
    }
}