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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4. import java.util.regex.Matcher;
  5. import java.util.regex.Pattern;
  6.  
  7. class Ideone
  8. {
  9. public static void main (String[] args) throws java.lang.Exception
  10. {
  11. String regex = "[\\d.]+(?:E-?\\d+)?|(?:(?![\\d.]+(?:E-?\\d+)?).)+";
  12. String string = "cos(2123.324E3)*ln(e^x)+123.345E-6*sin(sin(sin(x)))";
  13.  
  14. Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE);
  15. Matcher matcher = pattern.matcher(string);
  16.  
  17. while (matcher.find()) {
  18. System.out.println(matcher.group(0));
  19. }
  20. }
  21. }
Success #stdin #stdout 0.11s 48536KB
stdin
Standard input is empty
stdout
cos(
2123.324E3
)*ln(e^x)+
123.345E-6
*sin(sin(sin(x)))