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  1. import java.util.regex.Pattern;
  2. import java.util.regex.Matcher;
  3.  
  4. class Ideone
  5. {
  6.   public static void main(String[] asd){
  7.     String sourcestring = "ON cONfirmation, put * your hat";
  8.     sourcestring = sourcestring.replaceAll("(?<=\\s|^)(ON|\\*N|O\\*|\\*)(?=\\s|$)","").replaceAll("  "," ").trim();
  9.     System.out.println("sourcestring=["+sourcestring+"]");
  10.   }
  11. }
Success #stdin #stdout 0.07s 380160KB
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Standard input is empty
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sourcestring=[cONfirmation, put your hat]
https://ideone.com/7uGfIS
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
secret

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