U+FD18 "ﴘ" Arabic Ligature Seen with Yeh Final Form Unicode Character
Unicode Version 17.0
ﴘ
U+FD18 "ﴘ" Arabic Ligature Seen with Yeh Final Form is a typographic ligature used in the Arabic script, combining the letters seen (س) and yeh (ي) into a single connected glyph specifically designed for the final position of a word. It belongs to the Arabic Presentation Forms-A block, which contains variants historically used for improved calligraphy and typesetting, particularly in older or formal texts like the Quran. This character serves a practical purpose by streamlining the visual representation of common letter combinations, though its usage has diminished with modern digital fonts that can form such ligatures automatically.
General Properties
| Code Point | U+FD18 |
| Version Added | 1.1 |
| Name | Arabic Ligature Seen with Yeh Final Form |
| Block | Arabic Presentation Forms-A |
| General Category | Other Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Arabic Letter |
| Decomposition Type | Final |
| Decomposition Mapping | "س" U+0633 Arabic Letter Seen "ي" U+064A Arabic Letter Yeh |
Encodings
| HTML Decimal Encoding | ﴘ |
| HTML Hex Encoding | ﴘ |
| UTF-8 Encoding | 0xEF 0xB4 0x98 |
| UTF-16 Encoding | 0xFD18 |
| UTF-32 Encoding | 0x0000FD18 |
| C/C++/Java Escape | \ufd18 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "س" U+0633 Arabic Letter Seen "ي" U+064A Arabic Letter Yeh |
| NFKC Simple Casefold | "س" U+0633 Arabic Letter Seen "ي" U+064A Arabic Letter Yeh |
| Script | Arabic |
| Script Extensions | Arabic |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | OLetter |