import java.util.*;
import java.lang.*;
import java.util.regex.*;
 
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String str = "<tr class=\"tr_standard\"><td>Milk (regular), (1 liter) </td> <td style=\"text-align: right\" class=\"priceValue\"> 2.45&nbsp;TL</td>";
		Pattern ptrn = Pattern.compile("(?:class=\"priceValue\">\\s+)(\\d*\\.\\d+)");
		Matcher matcher = ptrn.matcher(str);
		while (matcher.find()) {
		    System.out.println(matcher.group(1));
		}
	}
}

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