Java: splitting a comma-separated string but ignoring commas in parentheses

Question

I have a string like this:

one,two,3,(4,five),six,(seven),(8,9,ten),eleven,(twelve,13,14,fifteen)

the above string should split into:

Answer 1

Use Regex.

    String s = "one,two,3,(4,five),six,(seven),(8,9,ten),eleven,(twelve,13,14,fifteen)";
    Matcher m = Pattern.compile("[^,()]+|\\([^)]*\\)").matcher(s);
    while (m.find())
        System.out.println(m.group());