从字符串中提取括号之间的字符串

Question

I am working on my own little Script Language. Now I am stucking at the Script Reader which reads the file and converts it into the Script Parts (variables, functions, if clauses etc). I hava String which saves the Script File content in one line like so:

mega = "";test(){hallo();test = "";if(){p2 = -1;}else{p1 = "";}hi = 0;}

Now my Problem. I want to get the strings between the parentheses for if clauses and the function (which is around the if clause). I tried it with regex:

Matcher m = Pattern.compile("\\(([^)]+)\\)").matcher(example);
 while(m.find()) {
   System.out.println(m.group(1));    
 }

But then I get the content between the first parenthese of the function test(){ and the first parenthese that clauses the if clause. How can I extract the Strings between the if clause, else clause and the function?

EDIT:

This is want I want to get out after the extraction:

For the If: p2 = -1; For the Else: p1 = ""; And for the Function arround:

hallo();test = "";if(){p2 = -1;}else{p1 = "";}hi = 0;

EDIT 2: I would like to have it recursive to its endless (when in the if clause is another etc.)

Answer 1

I think that regular expressions will not do that. You are looking after correspondent pairs of curly brackets. Reminds me of RegEx match open tags except XHTML self-contained tags .