Word Break - Format

Unicode Version 18.0

Format is a Word Break value that identifies characters which serve purely as typographic or formatting controls, such as soft hyphens, zero width spaces, joiners, and variation selectors. These characters do not represent visible content or separators between words, but they can influence line breaking and text segmentation in subtle ways. In word boundary detection, Format characters are typically treated as invisible, meaning they are ignored when determining where a word starts or ends, unless they are adjacent to other word-forming characters, in which case they are skipped over without creating a break. This allows text processors to handle formatting codes without accidentally splitting words or misinterpreting spacing.

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Arabic Letter Mark

Mongolian Vowel Separator

Left-to-Right Mark

Right-to-Left Mark

Left-to-Right Embedding

Right-to-Left Embedding

Pop Directional Formatting

Left-to-Right Override

Right-to-Left Override

Function Application

Invisible Times

Invisible Separator

Left-to-Right Isolate

Right-to-Left Isolate

First Strong Isolate

Pop Directional Isolate

Inhibit Symmetric Swapping

Activate Symmetric Swapping

Inhibit Arabic Form Shaping

Activate Arabic Form Shaping

National Digit Shapes

Nominal Digit Shapes

Zero Width No-Break Space

Interlinear Annotation Anchor

Interlinear Annotation Separator

Interlinear Annotation Terminator

Egyptian Hieroglyph Vertical Joiner

Egyptian Hieroglyph Horizontal Joiner

Egyptian Hieroglyph Insert at Top Start

Egyptian Hieroglyph Insert at Bottom Start

Egyptian Hieroglyph Insert at Top End

Egyptian Hieroglyph Insert at Bottom End

Egyptian Hieroglyph Overlay Middle

Egyptian Hieroglyph Begin Segment

Egyptian Hieroglyph End Segment

Egyptian Hieroglyph Insert at Middle

Egyptian Hieroglyph Insert at Top

Egyptian Hieroglyph Insert at Bottom

Egyptian Hieroglyph Begin Enclosure

Egyptian Hieroglyph End Enclosure

Egyptian Hieroglyph Begin Walled Enclosure

Egyptian Hieroglyph End Walled Enclosure

Shorthand Format Letter Overlap

Shorthand Format Continuing Overlap

Shorthand Format down Step

Shorthand Format Up Step

Musical Symbol Begin Beam

Musical Symbol End Beam

Musical Symbol Begin Tie

Musical Symbol End Tie

Musical Symbol Begin Slur

Musical Symbol End Slur

Musical Symbol Begin Phrase

Musical Symbol End Phrase

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