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In Microsoft Word you can insert Unicode characters by typing the hex value of the character then typing Alt-x. You can also see the Unicode value of a character by placing the cursor immediately after the character and pressing Alt-x. This also works in applications that use the Windows rich edit control such as WordPad and Outlook.
It's stacked diacritics on top of one another, as seen here, and in the infamous zalgo text; in this case stacked accents used in many non-English Latin-based languages. Specifically, it seems to be a tilde, used as an accent. Credit where credit is due, it uses the same techniques used for the faces in this question. Share.
As can be seen in the figure below (the Cyrillic part is highlighted), Notepad++ actually converts the Unicode characters into ASCII 63 (hexadecimal 3F), question marks. That is why the Unicode characters are lost (in "ANSI" mode) when copying the text out through the clipboard (it is not a font issue - information is lost).
Unicode is a 21-bit character set so it can go up to 2'097'151, i.e. the full set is not only 65536 characters. UTF-8 is a variable length encoding for Unicode, using 8-bit code units. It can even represent code points outside the Unicode space, up to 2<sup>31</sup>-1. So there's nothing related to 65536 in either Unicode or UTF-8.
1. I understand you are trying to type the Unicode Character 'CHECK MARK' (U+2713) : . The documentation here is not very helpful. The way to do that is to type: Alt down + 2713 Alt up. You need to use the NumPad while typing the + and the numbers. Unfortunately Alt + + codes only work with a registry tweak.
Unicode 6 characters are supported, but hard to read/differentiate: How do I add support for these characters to a Windows 7 system? Is there a way to display them the way Android does, so they are easier to read? Test characters: Unicode 6.1: 😀😗😙😑😮😯😴😛😕😟; Unicode 7.0: 🙂🙁🕵🗣🕴🖕🖖🖐
Press and hold down the Alt key. Press the + (plus) key on the numeric keypad. Type each character of the hexadecimal Unicode value in sequence: 2, 0, A and C. Release the Alt key. The example above succeeded in Windows 10, but has proved to work in many versions.
Inputting Unicode characters in Linux varies. The UTF-8 and Unicode FAQ has a section containing different input methods: Ctrl+Shift+U [unicode in hex] is defined in ISO 14755 and implemented by GTK2+, and works in GNOME-Terminal and other applications. Ctrl+V u [unicode in hex] works in VIM.
Now, if you search for \xef\xbb\x81 (which doesn't need to be a regular expression, just an "Extended" search), it will find the characters. Sort of. It will look like it's highlighting the two characters ï», but it's really highlighting three characters: ï, », and an "invisible" 0x81 character that doesn't really
Step 2. Then identify which browser you are using to view the Unicode data. Install Firefox and Chrome and compare results. Step 3. Finally locate a font that contains the characters you wish to be able to view, install that font and re-test by accessing the Unicode test pages with the range of installed browsers.