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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.HashMap;
  4. import java.util.LinkedHashMap;
  5. import java.util.Map;
  6. import java.util.regex.Matcher;
  7. import java.util.regex.Pattern;
  8.  
  9. /* Name of the class has to be "Main" only if the class is public. */
  10. class Ideone
  11. {
  12. 	public static void main (String[] args) throws java.lang.Exception
  13. 	{
  14. 		String inputText = "state: UP flag: 9 time: 02:29:09.111782 highest_id: num_users: 0 num_records: 0";
  15.         Map<String, String> pairs = new LinkedHashMap<>(); //using Linked so they stay in order
  16.         Matcher m = Pattern.compile("(\\S+):\\s(\\S*)(?:\\b(?!:)|$)").matcher(inputText);
  17.         while (m.find()) {
  18.             pairs.put(m.group(1), m.group(2));
  19.         }
  20.         for (Map.Entry entry : pairs.entrySet()) {
  21.             System.out.println(entry.getKey() + ": " + entry.getValue());
  22.         }
  23. 	}
  24. }
Success #stdin #stdout 0.1s 320576KB
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stdin
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Standard input is empty
stdout
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state: UP
flag: 9
time: 02:29:09.111782
highest_id: 
num_users: 0
num_records: 0
https://ideone.com/daN3Wl
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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