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  1. import java.util.regex.Matcher;
  2. import java.util.regex.Pattern;
  3.  
  4. public class Main {
  5.     public static void main(String[] args) {
  6. 	String s = "明昏昐";
  7. 	Pattern p = Pattern.compile("&#([0-9]+);");
  8. 	Matcher m = p.matcher(s);
  9. 	StringBuffer b = new StringBuffer();
  10. 	while (m.find()) {
  11. 	    m.appendReplacement(b, "");
  12. 	    b.append((char) Integer.parseInt(m.group(1)));
  13. 	}
  14. 	m.appendTail(b);
  15. 	s = b.toString();
  16. 	System.out.println(s);
  17.  
  18. 	s = "あいう";
  19. 	b = new StringBuffer();
  20. 	for (int i = 0; i < s.length(); i++) {
  21. 	    b.append("&#" + (int) s.charAt(i) + ";");
  22. 	}
  23. 	s = b.toString();
  24. 	System.out.println(s);
  25.     }
  26. }
Success #stdin #stdout 0.03s 245632KB
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明昏昐
&#12354;&#12356;&#12358;
https://ideone.com/j5I1J
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
public

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