U+0018 "CAN" CANCEL Unicode Character
Unicode Version 17.0
CAN
U+0018 "CAN" CANCEL is a control character from the C0 control code set, originally defined in ASCII and later adopted into Unicode. It is intended to indicate that the preceding data or message should be disregarded or considered invalid, functioning as a cancel signal in data transmission and storage contexts. Historically used in telecommunication and early computer systems, this character is non-printable and serves only as an instruction for processing equipment.
General Properties
| Code Point | U+0018 |
| Version Added | 1.1 |
| Unicode 1.0 Name | Cancel |
| Block | Basic Latin |
| General Category | Control |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Boundary Neutral |
| Alias | CAN (abbreviation) CANCEL (control) |
Encodings
| HTML Decimal Encoding |  |
| HTML Hex Encoding |  |
| UTF-8 Encoding | 0x18 |
| UTF-16 Encoding | 0x0018 |
| UTF-32 Encoding | 0x00000018 |
| C/C++/Java Escape | \u0018 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| NFKC Quick Check | Yes |
| NFKD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Combining Mark |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| Vertical Orientation | Rotated |
| Grapheme Cluster Break | Control |
| Word Break | Other |
| Sentence Break | Other |