/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
 
/* 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 str = "www.somewebsite.com/misc-session/;session-id=213213213";
		Pattern p = Pattern.compile("\\bsession-id=[A-Za-z0-9]+\\b");
		Matcher m = p.matcher(str);
 
		if (m.find()) {
		    System.out.println(m.group());
		}
	}
}

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