glas | : mortar_board : Glas - Ruby on Rails - Jekyll | Application Framework library

given the question you know I'm fairly new... I need help with the following: via an api I get each time a different object, the like of which is included below. Each object has 'ingredients' stored in strings such as: strIngredient1, strIngredient2, etc. Now not all of the strings have value as in this key-value pair: ("strIngredient5": null). How do I manage to get only the strings that are not null? Given that I don't know in advance how many strIngredients my object will have? And also given that each strIngredient has a different suffix number?

I have data like following

1. 12 x ATG 370 g, 12 x 720 ml, 1 Glas = 0.97, 1 kg = 2.03
2. versch. Sorten, 2 x 250 g, 1 Packung = 1.-, 100 g = 0.40
3. 2 x 950 g, 1 Packung = 4.98, 1 kg = 4.47, tiefgekühlt
4. versch. Sorten, 2 x 500 g, 1 Packung = 0.65, 1 kg = 1.-
5. 3,5 % Fett, 3 x 1 Liter, 1 Packung = 0.76, 1 Liter = 0.60
6. Krönung Balance gemahlen oder Krönung Aroma ganze Kaffeebohnen, 500 g, 1 kg = 6.44
7. versch. Sorten, 400 g, 1 kg = 5.60
8. 400 g, versch. Sorten, 1 kg = 5.60

Expected Outcome

1. 12 x 720 ml => { pack: 12, weight:720 , unit: ml }
2. 2 x 250 g. => { pack: 2, weight:250 , unit: g }
3. 2 x 950 g => { pack: 2, weight:950 , unit: g }
4. 2 x 500 g => { pack: 2, weight:500 , unit: g }
5. 3 x 1 Liter => { pack: 3, weight:1 , unit: Liter }
6. 500 g => { pack: 1, weight:500 , unit: g }
7. 400 g => { pack: 1, weight:400 , unit: g }
8. 400 g => { pack: 1, weight:400 , unit: g }

I tried the following code

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Here's the JSON file

I have this json strings

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HTML :