thisstarted happening recently. all of sudden alphanumeric keys only(!) just not respond-no matter if on laptop keyboard or any wireless. restart solves this temporary. updated to latest windows, no change. tried reinstalling keyoard driver (remove from device manager) no change, same driver installed. any help apperciated (wrote this with onscreen keyboard-there i see which keys do not respond) Getthe String. Create a Regular Expression to check string contains only digits as mentioned below: regex = " [0-9]+"; Match the given string with Regular Expression. In Java, this can be done by using Pattern.matcher (). Return true if the string matches with the given regular expression, else return false. Disablesticky and filter keys. If your keyboard seems to work but is behaving unexpectedly and doesn't type the keys you are pressing, you may be able to fix it by disabling sticky, filter, and toggle keys. Navigate to Settings > Accessibility > Keyboard, and disable sticky keys, filter keys, and toggle keys . Sowhen you find your spacebar not function, the first quick fix you can try is to check the Sticky Keys. 1) Press Windows key + I key together to open Settings Window. Then scroll down to find and click Ease of Access. 2) Click Keyboard on the left pane. Then check the icon of Sticky Keys. If it's on, set it to be off. .

only alphabets are not working in keyboard