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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4. import java.util.regex.*;
  5.  
  6. /* Name of the class has to be "Main" only if the class is public. */
  7. class Ideone
  8. {
  9. 	public static void main (String[] args) throws java.lang.Exception
  10. 	{
  11. 		Pattern pc = Pattern.compile("importo=(?:\\d+(?:[.,]\\d+)?)?\\s*([^&\\d]*)\\s*(?:\\d+(?:[.,]\\d+)?)?\\s*&?"); // currency
  12. 		Pattern pa = Pattern.compile("importo=(?:[^&\\d]*)\\s*(\\d+(?:[.,]\\d+)?)\\s*(?:[^&\\d]*)&?"); // amount 
  13. 		String[] ss = {
  14. 			"importo=42",
  15. 			"importo=$42",
  16. 			"importo=42$",
  17. 			"importo=42.666",
  18. 			"importo=$42.666",
  19. 			"importo=42.666$",
  20. 		};
  21. 		for (String s : ss) {
  22. 			Matcher mc = pc.matcher(s);
  23. 			Matcher ma = pa.matcher(s);
  24. 			mc.find();
  25. 			ma.find();
  26.  
  27. 			System.out.println(s + ": " + ma.group(1) + " " + mc.group(1));
  28. 		}
  29. 	}
  30. }
  31.  
  32.  
Success #stdin #stdout 0.05s 2184192KB
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stdin
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Standard input is empty
stdout
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importo=42: 42 
importo=$42: 42 $
importo=42$: 42 $
importo=42.666: 42.666 
importo=$42.666: 42.666 $
importo=42.666$: 42.666 $
https://ideone.com/B6bvi1
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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