import java.util.regex.Matcher;
import java.util.regex.Pattern;
 
class Main
{
  public static void main (String[] args) throws java.lang.Exception
  {
    String s = "{'Im': {url:'\\/az\\/hprichbg\\/rb\\/?*<>WhiteTippedRose_ROW10477559674_1366x768.jpg', hash:'674'}";
 
    Pattern p = Pattern.compile("[^\\/:*?\"<>|]+\\.jpg");
    Matcher m = p.matcher(s);
    if (m.find()) {
      String match = m.group();
      System.out.println(match);
    }
  }
}

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