/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String[] strings = { "stoooooopppppppppppppppppp","looooooove", "good","OK", "boolean", "mee", "claaap" };
 
   		String regex = "(?i)([a-z])\\1{2,}";
    	Pattern pattern = Pattern.compile(regex);
    	for (String string : strings) {
   	        System.out.println(string.replaceAll(regex, "$1$1"));
    	}
 
	}
}

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