func getAmount(tokenArray: [String], j: Int) -> Double{
        var amount = ""
        for k in j+1...tokenArray.count - 1
        {
            //recognize integers with attached unit fix
            amount = tokenArray[k].replacingOccurrences(of: "g", with: "")
            amount = amount.replacingOccurrences(of: "m", with: "")
            let stringAmount = amount
            if(stringAmount == "09"){           // if this is true then Tesseract mistook 0g for "09", since if the amount was 9 there wouldn't be a preceding zero
                return 0
            }
            //check for valid number
            else if Double(amount) != nil
            {
                return Double(amount)!
            }
        }
        return 0
    }



    //finds out if 2 strings have a majority of matching characters
    //returns: Boolean
    func matchMajority(nutrient: String, scannedN: String) -> Bool{
        var numMatched = 0                                  //counter for characters matched
        let majority = (nutrient.characters.count) / 2      //50% of letters in String to be scanned
        var count: Int                                      //the number of letters to scan through

        //find out which word is the smaller one
        if(nutrient.characters.count < scannedN.characters.count){
            count = nutrient.characters.count
        }
        else{
            count = scannedN.characters.count
        }

        var aa = Array(nutrient.uppercased().characters)         //turn Strings into array of chars cuz Swift is annoying
        var ba = Array(scannedN.uppercased().characters)         //also make sure both are upper cased

        if(count > 0){
        //search through each letter
        for index in 0...count - 1{
            var a: Character
            var b: Character

            a = aa[index]
            b = ba[index]

            if (a == b){
                numMatched += 1                            //increment if letters match
            }
        }
        }
        if(numMatched >= majority){
            return true
        }
        else {
            return false
        }
    }