Line Break

Abbr

BK

Count

4

Mandatory Break is a line breaking class that forces a line break after the character, regardless of surrounding context.

Abbr

CR

Count

1

Carriage Return is a mandatory break that forces a new line, typically used at the end of a line in text files.

Abbr

LF

Count

1

Line Feed is a mandatory break that forces a new line, used to separate lines in plain text and data.

Abbr

CM

Count

2549

Combining Mark is a line break class for characters that attach to preceding base letters, preventing breaks before them.

Abbr

NL

Count

1

Next Line is a mandatory break that forces a new line, typically used for hard line breaks in plain text.

Abbr

SG

Count

0

Surrogate is a line break class for code points used to pair into astral characters, treated as unbreakable placeholders in text flow.

Abbr

WJ

Count

2

Word Joiner is a zero-width character that prevents line breaks between adjacent characters, forcing them to stay on the same line.

Abbr

ZW

Count

1

Zero Width Space is a character that allows line breaks without displaying any visible space, enabling text wrapping in inline content.

Abbr

GL

Count

41

Non-breaking (“Glue”) is a line break class that prevents a wrap between adjacent characters, keeping them together on the same line.

Abbr

SP

Count

1

Space is a break opportunity after any space character, typically used to allow line wrapping between words without hyphenation.

Abbr

ZWJ

Count

1

Zero Width Joiner is a line break class that prevents breaks between characters, allowing ligatures or joined scripts to stay connected.

Abbr

B2

Count

3

Break Opportunity Before and After is a line breaking status indicating that a break is allowed both before and after the character.

Abbr

BA

Count

264

Break After is the rule that determines whether a line can end immediately following a specific character, based on its assigned line breaking class.

Abbr

BB

Count

56

Break Before is a numeric value indicating whether a line break is allowed before a character, affecting text wrapping.

Abbr

HY

Count

1

Hyphen is a line break class that allows breaks after the character, but not before it, except in certain contexts.

Abbr

HH

Count

10

Unambiguous Hyphen is a line break class for hyphens that always permit breaks after them, never before, ensuring clear separation without ambiguity.

Abbr

CB

Count

1

Contingent Break Opportunity is a line break class indicating a break is allowed only if the preceding character also allows a break.

Abbr

CL

Count

96

Close Punctuation is a line break class that prevents breaks before closing brackets and similar marks, keeping them attached to preceding text.

Abbr

CP

Count

6

Close Parenthesis is a line break class for closing brackets and similar punctuation, preventing breaks after them.

Abbr

EX

Count

42

Exclamation/Interrogation is a line break class for exclamation marks and question marks, preventing breaks after them in specific contexts.

Abbr

IN

Count

6

Inseparable is a line break class that prevents breaks before or after the character, keeping it glued to adjacent text.

Abbr

NS

Count

37

Nonstarter is a line break class that prevents a break before or after a character, like closing quotes or punctuation.

Abbr

OP

Count

96

Open Punctuation is a line break class for opening brackets and quotes, preventing breaks after them.

Abbr

QU

Count

39

Quotation is a line break class indicating that a character behaves like a quotation mark, influencing where breaks can occur around paired or adjacent quotes.

Abbr

IS

Count

12

Infix Numeric Separator is a line break class that prevents breaks between a numeric value and its adjacent separator symbols, like commas or periods.

Abbr

NU

Count

705

Numeric is the line break class value assigned to digits and numerals, indicating they typically allow breaks after or between them.

Abbr

PO

Count

38

Postfix Numeric is a line break class for digits and numeric symbols that prevent breaks after them, keeping them attached to preceding text.

Abbr

PR

Count

56

Prefix Numeric is a line break class indicating that a number should not be separated from a following currency symbol or percent sign.

Abbr

SY

Count

1

Symbols Allowing Break After is a line breaking class for symbols where a break is permitted after the symbol, not before.

Abbr

AI

Count

717

Ambiguous (Alphabetic or Ideographic) is a line break class where characters default to alphabetic behavior but shift to ideographic rules when context demands.

Abbr

AK

Count

329

Aksara is a line break class for Javanese script characters, allowing breaks only between syllables, not within them.

Abbr

AL

Count

27601

Alphabetic is a line break class used for letters and syllabic characters, preventing breaks within words.

Abbr

AP

Count

6

Aksara Pre-Base is a line break class preventing breaks before certain Aksara script characters, like final consonants or vowel signs.

Abbr

AS

Count

214

Aksara Start is a line break class for characters that cannot start a line, used in Balinese and other Aksara scripts.

Abbr

CJ

Count

61

Conditional Japanese Starter is a line break class that prevents breaks before certain Japanese small kana and prolonged sound marks.

Abbr

EB

Count

136

Emoji Base is a Line Break property value that marks characters where an emoji presentation can start, often allowing a following emoji to stay together.

Abbr

EM

Count

5

Emoji Modifier is a line break class that prevents breaks before or after modifier symbols, keeping them attached to preceding emoji.

Abbr

H2

Count

399

Hangul LV Syllable is a line break class that treats each precomposed Korean syllable as an indivisible unit, preventing breaks within it.

Abbr

H3

Count

10773

Hangul LVT Syllable is a line break class for Korean syllables with a leading consonant, vowel, and trailing consonant, preventing breaks within the syllable.

Abbr

HL

Count

75

Hebrew Letter is a line break class that treats the character as unbreakable, keeping it with adjacent Hebrew letters or punctuation.

Abbr

ID

Count

127337

Ideographic is a line break class indicating that a character behaves like a CJK ideograph, typically allowing breaks before or after unless prohibited.

Abbr

JL

Count

125

Hangul L Jamo is a line break class for leading consonants, forcing breaks before following Hangul syllables but not after adjacent Jamo.

Abbr

JV

Count

95

Hangul V Jamo is a line break class for the leading vowel jamo of Korean syllables, preventing breaks before them.

Abbr

JT

Count

137

Hangul T Jamo is a line break class for the trailing consonant jamo of a Korean syllable, which prohibits breaks after it.

Abbr

RI

Count

26

Regional Indicator is a line break class that prevents breaks between pairs of regional indicator symbols, ensuring flag emojis remain intact.

Abbr

SA

Count

757

Complex Context Dependent (South East Asian) is a line breaking class for scripts like Thai, requiring contextual analysis to determine valid break points.

Abbr

VF

Count

2

Virama Final is a line break class for Indic script viramas, preventing breaks after them, except before certain consonants.

Abbr

VI

Count

7

Virama is a line break class that prevents breaks after consonant clusters, typically used in Indic scripts to keep conjuncts intact.

Abbr

XX

Count

137468

Unknown is a token representing a code point with no assigned line breaking behavior, treated as allowing breaks before and after it.