U+2405 "␅" Symbol for Enquiry Unicode Character
Unicode Version 17.0
␅
U+2405 "␅" Symbol for Enquiry is a control character graphic used in data transmission and computer systems to represent the control function "Enquiry," often abbreviated as ENQ. This character is part of the Unicode block for Control Pictures, which provides visual representations of non-printing control codes from the ASCII standard. Historically, the Enquiry control character was employed in telecommunications to request a response from a remote station, such as asking for identification or status, and the "␅" symbol serves as a visual stand-in when the actual control function needs to be displayed or documented in text.
General Properties
| Code Point | U+2405 |
| Version Added | 1.1 |
| Name | Symbol for Enquiry |
| Unicode 1.0 Name | Graphic for Enquiry |
| Block | Control Pictures |
| General Category | Other Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
Encodings
| HTML Decimal Encoding | ␅ |
| HTML Hex Encoding | ␅ |
| UTF-8 Encoding | 0xE2 0x90 0x85 |
| UTF-16 Encoding | 0x2405 |
| UTF-32 Encoding | 0x00002405 |
| C/C++/Java Escape | \u2405 |
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 | Alphabetic |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| Pattern Syntax | Yes |
| Vertical Orientation | Upright |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |