Unicode: Basic Multilingual Plane

What is Basic Multilingual Plane (BMP)

Basic Multilingual Plane (BMP) is a range of characters from U+0000 to U+FFFF (decimal 65535)

Characters in this range are designed for the most basic character set of human writing systems.

What characters are outsite BMP?

Most emoji (e.g. 😃 😄 😅 🥲 😆 😊), are outside of BMP. (because emoji came 20 years later in Unicode history.)

Some rarely used chinese characters, are outside of BMP.

Dead language's characters, are often outside of BMP. e.g. Egyptian Hieroglyph 𓂀, Unicode: Cuneiform 𒁷, Unicode: Linear B 𐂂, Unicode: Phoenician 𐤈

Constructed languages, are often outside of BMP. e.g. Unicode: Deseret Alphabet 𐐃, Unicode: Shavian Alphabet 𐑕

How to determine if a character is in BMP?

If the character's Code Point can be expresed as 4 hexadecimal digits, it is part of BMP. Else, no.

If the character's Code Point in decimal is less than or equal to 65535, it is in BMP. Else, no.