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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.util.regex.*;
  4.  
  5. class Main
  6. {
  7. 	public static void main (String[] args) throws java.lang.Exception
  8. 	{
  9.     List<String> res = new ArrayList<String>();
  10.     Pattern p = Pattern.compile("([&]{1,2}|=>?| +)");
  11.     String s = "s=a&=>b";
  12.     Matcher m = p.matcher(s);
  13.     int pos = 0;
  14.     while (m.find()) {
  15.         if (pos != m.start()) {
  16.             res.add(s.substring(pos, m.start()));
  17.         }
  18.         res.add(m.group());
  19.         pos = m.end();
  20.     }
  21.     if (pos != s.length()) {
  22.         res.add(s.substring(pos));
  23.     }
  24.     for (String t : res) {
  25.         System.out.println("'"+t+"'");
  26.     }
  27. 	}
  28. }
Success #stdin #stdout 0.02s 245632KB
comments (?)
stdin
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Standard input is empty
stdout
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's'
'='
'a'
'&'
'=>'
'b'
https://ideone.com/WwR5O
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
public

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