I do not have your exact HTML structure, so you can first get your HTML page source using,
String HTMLSource = driver.getPageSource();
Above code will return complete HTML source of the page.
Once Page Source is stored as a string, you can do string menupulation.
Eg.
String HTMLSource = driver.getPageSource();
int indexOfTitle = HTMLSource.indexOf("title");
String subStringFromTitle = HTMLSource.substring(indexOfTitle);
int indexOfMeta = subStringFromTitle.indexOf("meta");
String text = HTMLSource.substring(indexOfTitle , indexOfTitle + indexOfMeta);
Hope that helps!