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  1. import java.util.regex.Matcher;
  2. import java.util.regex.Pattern;
  3.  
  4. class Main
  5. {
  6.   public static void main (String[] args) throws java.lang.Exception
  7.   {
  8.     String str = "0.0000";
  9.  
  10.     Pattern p = Pattern.compile("(^-[0-9]+.+[0-9]*)|(^[0]+.+[0]+$)");
  11.     Matcher m = p.matcher(str);
  12.     if (m.find()) {
  13.       System.out.println("False");
  14.     }else{
  15.       System.out.println("True");
  16.     }
  17.   }
  18. }
Success #stdin #stdout 0.07s 380224KB
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Standard input is empty
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False
https://ideone.com/LUcj9l
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
secret

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