fork download
copy 
  1. import java.util.*;
  2. import java.util.regex.*;
  3. import java.lang.*;
  4.  
  5. class Main
  6. {
  7. 	public static void main (String[] args) throws java.lang.Exception
  8. 	{
  9. 		String formula = "Fe(C5H5)2FeO3";
  10. 		Pattern p = Pattern.compile("[^(]+|[(][^)]*[)]\\d+");
  11. 		Matcher m = p.matcher(formula);
  12. 		while (m.find()) {
  13. 			System.out.println(m.group());
  14. 		}
  15. 	}
  16. }
Success #stdin #stdout 0.02s 245632KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Fe
(C5H5)2
FeO3
https://ideone.com/SOkck
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!