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  1. class Main
  2. {
  3.   public static void main (String[] args) throws java.lang.Exception
  4.   {
  5.      String test = "<p dir=\"ltr\"><b><b><b><b><b>qwert</b></b></b></b></b><b><b><b><b><b><b>y</b></b></b></b></b></b></p>";
  6.      String out = test.replaceAll("(<[^>]+>)\\1+", "$1");
  7.      System.out.println("OutPut: "+out);
  8.   }
  9. }
Success #stdin #stdout 0.07s 380160KB
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stdin
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Standard input is empty
stdout
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OutPut: <p dir="ltr"><b>qwert</b><b>y</b></p>
https://ideone.com/QKLtdF
language:
Java (12.0.1)
created:
10 years ago
visibility:
public

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