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  1. import java.util.regex.*;
  2.  
  3. class Main
  4. {
  5.     public static void main (String[] args) throws java.lang.Exception
  6.     {
  7.         String input = "Host is up (0.0020s latency).";
  8.         Pattern pattern = Pattern.compile("\\d+\\.\\d+");
  9.         Matcher matcher = pattern.matcher(input);
  10.         if (matcher.find()) {
  11.             System.out.println(matcher.group());
  12.         }
  13.     }
  14. }
Success #stdin #stdout 0.05s 213440KB
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Standard input is empty
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0.0020
https://ideone.com/EuQ3c
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
secret

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