U+E003A "󠀺" Tag Colon Unicode Character

Unicode Version 17.0

󠀺

U+E003A "󠀺" Tag Colon is a specialized invisible formatting character belonging to the Unicode “Tags” block, designed primarily for use in language tagging within plain text, where it functions as a visible colon shape in the legacy Unicode tag mechanism. This character was intended to be used in combination with other tag characters to encode language or region information, such as in the deprecated Unicode “Language Tag” system for marking text with a specific language identifier. However, its practical usage is extremely rare in modern computing, as the system it supported has been largely superseded by the more universal and robust BCP 47 language tags and other metadata methods, making the Tag Colon mostly a historical artifact within the Unicode standard.

General Properties

Code Point U+E003A
Version Added 3.1
Name Tag Colon
Block Tags
General Category Format
Canonical Combining Class Not Reordered
Bidirectional Class Boundary Neutral

Encodings

HTML Decimal Encoding 󠀺
HTML Hex Encoding 󠀺
UTF-8 Encoding 0xF3 0xA0 0x80 0xBA
UTF-16 Encoding 0xDB40 0xDC3A
UTF-32 Encoding 0x000E003A
C/C++/Java Escape \udb40\udc3a

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
NFKC Quick Check Yes
NFKD Quick Check Yes
Numeric Type None
Numeric Value NaN
Joining Type Transparent
Line Break Combining Mark
Case Ignorable Yes
Changes When NFKC Casefolded Yes
Script Common
Script Extensions Common
Indic Syllabic Category Other
Indic Conjunct Break Extend
Default Ignorable Code Point Yes
Vertical Orientation Rotated
Grapheme Extend Yes
Other Grapheme Extend Yes
Grapheme Cluster Break Extend
Word Break Extend
Sentence Break Extend
Emoji Component Yes