/* 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
	{
		System.out.println(GetTheGroup("abc-xyz;"));
	}
	public static String GetTheGroup(String str) {
		Pattern findString = Pattern.compile("(?s)^(?<string>.*?)[;-]");
		Matcher matcher = findString.matcher(str);
		if (matcher.find())
    	{
	        return matcher.group("string"); //cant change anything here.
    	}
    	else
    	    return "";
	}
}

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