import java.util.regex.*;
import java.util.*;
import java.lang.*;
import java.io.*;
 
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String s = "\"some\" \"other string\"";
		System.out.println(removeQuotes(s));
	}
	public static String removeQuotes(String str) {
	  Pattern pattern = Pattern.compile("^['\"](.*)['\"]$");
	  Matcher matcher = pattern.matcher(str);
	  if (matcher.find()) {
	    return matcher.group(1);
	  } else {
	    return str;
	  }
	}
}

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