import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.*;
 
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String s = "Joe'); MAKE TEST random;--";
		StringBuffer result = new StringBuffer();
		Matcher m = Pattern.compile("\\p{L}+").matcher(s);
		while (m.find()) {
    		String replacement = new StringBuilder(m.group()).reverse().toString();
		    m.appendReplacement(result, replacement);
		}
		m.appendTail(result);
		System.out.println(result.toString());
 
	}
}

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