Notepad++: Capitalize first letter

This can be easily done if the first letters are latin characters. But this method does not work with non-latin (for example cyrillic) characters. Just press Ctrl+F, enable "Regular Expression" checkbox, and search for

^(.)

replace with (Replace All)

\u\1

". matches newline" checkbox has to be unchecked

OR

 Well, you can install the TextFX plugin and apply Sentense case. Here you have some tricks (including this one). http://a4apphack.com/featured/tricks-with-notepad

TextFX is the easiest solution IMHO. After installing the plugin, simply select all relevant text and then navigate to  

TextFX > TextFX Characters > Sentence case