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  1. import java.io.*;
  2.  
  3. class Moo
  4. {
  5.   public static void main(String[] args)
  6.   {
  7.     String vals[] = { "1.2", "-3.14", "100500" };
  8.     for (String s : vals)
  9.       System.out.println(s.replaceAll("\\d", "x"));
  10.     for (String s : vals)
  11.       System.out.println(s.replaceAll("(-)?\\d+(\\.\\d*)?", "x"));
  12.   }
  13. }
Success #stdin #stdout 0.05s 213440KB
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stdin
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Standard input is empty
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x.x
-x.xx
xxxxxx
x
x
x
https://ideone.com/iX16q
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
secret

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