NullpointerException Matcher

Question

I have some problem and i don't know how to solve it! :)

Pattern tablep = Pattern.compile("(<table.*</table>)");
Matcher tablem = tablep.matcher(page);
if (tablem.find()) {table = tablem.group(1);}

here is peace of regex :(Docs)

Here's logcat:

12-22 17:17:49.237: E/AndroidRuntime(6851): Caused by: java.lang.NullPointerException
12-22 17:17:49.237: E/AndroidRuntime(6851):     at java.util.regex.Matcher.reset(Matcher.java:177)
12-22 17:17:49.237: E/AndroidRuntime(6851):     at java.util.regex.Matcher.<init>(Matcher.java:90)
12-22 17:17:49.237: E/AndroidRuntime(6851):     at java.util.regex.Pattern.matcher(Pattern.java:297)
12-22 17:17:49.237: E/AndroidRuntime(6851):     at com.example.portal_projekt_2.Schedule.getHtm(Schedule.java:103)
12-22 17:17:49.237: E/AndroidRuntime(6851):     at com.example.portal_projekt_2.Schedule.createFolder(Schedule.java:93)
12-22 17:17:49.237: E/AndroidRuntime(6851):     at com.example.portal_projekt_2.Schedule.onCreate(Schedule.java:37)
12-22 17:17:49.237: E/AndroidRuntime(6851):     at android.app.Activity.performCreate(Activity.java:5133)
12-22 17:17:49.237: E/AndroidRuntime(6851):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
12-22 17:17:49.237: E/AndroidRuntime(6851):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2293)

I am sure that page contains String