Finding Multiple Integers Inside A String Using Regex

I currently have this code below: Pattern intsOnly = Pattern.compile('\\d+'); Matcher matcher = intsOnly.matcher(o1.getIngredients()); matcher.find(); String inputI

Solution 1:

In your posted code:

matcher.find();
String inputInt = matcher.group();

You are matching the whole string with a single call to find. And then assigning the first match of digits to your String inputInt. So for example, if you have the below string data, your return will only be 1.

1 egg, 2 bacon rashers, 3 potatoes

You should use a while loop to loop over your matches.

Pattern intsOnly = Pattern.compile("\\d+");
Matcher matcher = intsOnly.matcher(o1.getIngredients());
while (matcher.find()) {
  System.out.println(matcher.group());
}