Table of Contents
Can UTF-8 represent all characters?
Each UTF can represent any Unicode character that you need to represent. UTF-8 is based on 8-bit code units. Each character is encoded as 1 to 4 bytes. The first 128 Unicode code points are encoded as 1 byte in UTF-8.
What is the last UTF-8 character?
The direct answer to your question is U+10FFFD, which is a user-defined character from the Supplementary Private Use Area B. It appears that U+10FFFE and U+10FFFF are not allowed, probably to avoid problems with UTF-32 or UTF-16 and byte-order marks, etc. Thanks Jonathan for actually answering the question.
What is the UTF-8 ASCII code for the character A?
UTF-8 and ASCII Character Chart
| 1 | 8 | |
|---|---|---|
| @ 64 | A 65 | H 72 |
| P 80 | Q 81 | X 88 |
| ` 96 | a 97 | h 104 |
| p 112 | q 113 | x 120 |
How do you read UTF-8?
UTF-8 is a Unicode character encoding method. This means that UTF-8 takes the code point for a given Unicode character and translates it into a string of binary. It also does the reverse, reading in binary digits and converting them back to characters.
What is 0xC0 in UTF-8?
For instance, in UTF-8 it is a single zero byte. However, in Modified UTF-8 the null character is encoded as two bytes: 0xC0, 0x80. This allows the byte with the value of zero, which is now not used for any character, to be used as a string terminator.
What is the value of zero in UTF-8?
In most encodings, this is translated to a single code unit with a zero value. For instance, in UTF-8 it is a single zero byte. However, in Modified UTF-8 the null character is encoded as two bytes: 0xC0, 0x80. This allows the byte with the value of zero, which is now not used for any character, to be used as a string terminator.
How do I compare 0xC0 to 0x80?
It’s not a comparison with 0xc0, it’s a logical AND operation with 0xc0. The bit mask 0xc0 is 11 00 00 00 so what the AND is doing is extracting only the top two bits: This is then compared to 0x80 (binary 10 00 00 00 ).
What is the bit mask of 0xC0 in the if statement?
The bit mask 0xc0 is 11 00 00 00 so what the AND is doing is extracting only the top two bits: This is then compared to 0x80 (binary 10 00 00 00 ). In other words, the if statement is checking to see if the top two bits of the value are not equal to 10.