NFKC Quick Check - No

Unicode Version 18.0

No is the result when a string fails the NFKC quick check, meaning it is not already in Normalization Form KC and requires decomposition and recomposition to achieve full compatibility normalization. This occurs when the text contains characters that have compatibility decompositions, such as ligatures, halfwidth or fullwidth forms, or certain spacing variants, or when canonical ordering of combining marks is incorrect. In practical terms, encountering this value signals that the string is not yet normalized and must undergo the full NFKC algorithm to ensure consistent, interoperable text handling, which is essential for security checks, search indexing, and data exchange where character equivalence matters.

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Feminine Ordinal Indicator

Superscript Two

Superscript Three

Superscript One

Masculine Ordinal Indicator

Vulgar Fraction One Quarter

Vulgar Fraction One Half

Vulgar Fraction Three Quarters

Latin Capital Ligature Ij

Latin Small Ligature Ij

Latin Capital Letter L with Middle Dot

Latin Small Letter L with Middle Dot

Latin Small Letter N Preceded by Apostrophe

Latin Small Letter Long S

Latin Capital Letter Dz with Caron

Latin Capital Letter D with Small Letter Z with Caron

Latin Small Letter Dz with Caron

Latin Capital Letter Lj

Latin Capital Letter L with Small Letter J

Latin Small Letter Lj

Latin Capital Letter Nj

Latin Capital Letter N with Small Letter J

Latin Small Letter Nj

Latin Capital Letter Dz

Latin Capital Letter D with Small Letter Z

Latin Small Letter Dz

Modifier Letter Small H

Modifier Letter Small H with Hook

Modifier Letter Small J

Modifier Letter Small R

Modifier Letter Small Turned R

Modifier Letter Small Turned R with Hook

Modifier Letter Small Capital Inverted R

Modifier Letter Small W

Modifier Letter Small Y

Double Acute Accent

Modifier Letter Small Gamma

Modifier Letter Small L

Modifier Letter Small S

Modifier Letter Small X

Modifier Letter Small Reversed Glottal Stop

Combining Grave Tone Mark

Combining Acute Tone Mark

Combining Greek Koronis

Combining Greek Dialytika Tonos

Greek Numeral Sign

Greek Ypogegrammeni

Greek Question Mark

Greek Dialytika Tonos

Greek Ano Teleia

Greek Beta Symbol

Greek Theta Symbol

Greek Upsilon with Hook Symbol

Greek Upsilon with Acute and Hook Symbol

Greek Upsilon with Diaeresis and Hook Symbol

Greek Phi Symbol

Greek Pi Symbol

Greek Kappa Symbol

Greek Rho Symbol

Greek Lunate Sigma Symbol

Greek Capital Theta Symbol

Greek Lunate Epsilon Symbol

Greek Capital Lunate Sigma Symbol

Modifier Letter Armenian Small Eh

Armenian Small Ligature Ech Yiwn

Modifier Letter Armenian Small Ini

Modifier Letter Armenian Small Yi

Arabic Letter High Hamza Alef

Arabic Letter High Hamza Waw

Arabic Letter U with Hamza Above

Arabic Letter High Hamza Yeh

Devanagari Letter Qa

Devanagari Letter Khha

Devanagari Letter Ghha

Devanagari Letter Za

Devanagari Letter Dddha

Devanagari Letter Rha

Devanagari Letter Fa

Devanagari Letter Yya

Bengali Letter Rra

Bengali Letter Rha

Bengali Letter Yya

Gurmukhi Letter Lla

Gurmukhi Letter Sha

Gurmukhi Letter Khha

Gurmukhi Letter Ghha

Gurmukhi Letter Za

Gurmukhi Letter Fa

Oriya Letter Rra

Oriya Letter Rha

Thai Character Sara Am

Lao Vowel Sign Am

Tibetan Mark Delimiter Tsheg Bstar

Tibetan Letter Gha

Tibetan Letter Ddha

Tibetan Letter Dha

Tibetan Letter Bha

Tibetan Letter Dzha

Tibetan Letter Kssa

Tibetan Vowel Sign Ii

Tibetan Vowel Sign Uu

Tibetan Vowel Sign Vocalic R

Tibetan Vowel Sign Vocalic Rr

Tibetan Vowel Sign Vocalic L

Tibetan Vowel Sign Vocalic Ll

Tibetan Vowel Sign Reversed Ii

Tibetan Subjoined Letter Gha

Tibetan Subjoined Letter Ddha

Tibetan Subjoined Letter Dha

Tibetan Subjoined Letter Bha

Tibetan Subjoined Letter Dzha

Tibetan Subjoined Letter Kssa

Modifier Letter Georgian Nar

Modifier Letter Capital A

Modifier Letter Capital Ae

Modifier Letter Capital B

Modifier Letter Capital D

Modifier Letter Capital E

Modifier Letter Capital Reversed E

Modifier Letter Capital G

Modifier Letter Capital H

Modifier Letter Capital I

Modifier Letter Capital J

Modifier Letter Capital K

Modifier Letter Capital L

Modifier Letter Capital M

Modifier Letter Capital N

Modifier Letter Capital O

Modifier Letter Capital Ou

Modifier Letter Capital P

Modifier Letter Capital R

Modifier Letter Capital T

Modifier Letter Capital U

Modifier Letter Capital W

Modifier Letter Small A

Modifier Letter Small Turned A

Modifier Letter Small Alpha

Modifier Letter Small Turned Ae

Modifier Letter Small B

Modifier Letter Small D

Modifier Letter Small E

Modifier Letter Small Schwa

Modifier Letter Small Open E

Modifier Letter Small Turned Open E

Modifier Letter Small G

Modifier Letter Small K

Modifier Letter Small M

Modifier Letter Small Eng

Modifier Letter Small O

Modifier Letter Small Open O

Modifier Letter Small Top Half O

Modifier Letter Small Bottom Half O

Modifier Letter Small P

Modifier Letter Small T

Modifier Letter Small U

Modifier Letter Small Sideways U

Modifier Letter Small Turned M

Modifier Letter Small V

Modifier Letter Small Ain

Modifier Letter Small Beta

Modifier Letter Small Greek Gamma

Modifier Letter Small Delta

Modifier Letter Small Greek Phi

Modifier Letter Small Chi

Latin Subscript Small Letter I

Latin Subscript Small Letter R

Latin Subscript Small Letter U

Latin Subscript Small Letter V

Greek Subscript Small Letter Beta

Greek Subscript Small Letter Gamma

Greek Subscript Small Letter Rho

Greek Subscript Small Letter Phi

Greek Subscript Small Letter Chi

Modifier Letter Cyrillic En

Modifier Letter Small Turned Alpha

Modifier Letter Small C

Modifier Letter Small C with Curl

Modifier Letter Small Eth

Modifier Letter Small Reversed Open E

Modifier Letter Small F

Modifier Letter Small Dotless J with Stroke

Modifier Letter Small Script G

Modifier Letter Small Turned H

Modifier Letter Small I with Stroke

Modifier Letter Small Iota

Modifier Letter Small Capital I

Modifier Letter Small Capital I with Stroke

Modifier Letter Small J with Crossed-Tail

Modifier Letter Small L with Retroflex Hook

Modifier Letter Small L with Palatal Hook

Modifier Letter Small Capital L

Modifier Letter Small M with Hook

Modifier Letter Small Turned M with Long Leg

Modifier Letter Small N with Left Hook

Modifier Letter Small N with Retroflex Hook

Modifier Letter Small Capital N

Modifier Letter Small Barred O

Modifier Letter Small Phi

Modifier Letter Small S with Hook

Modifier Letter Small Esh

Modifier Letter Small T with Palatal Hook

Modifier Letter Small U Bar

Modifier Letter Small Upsilon

Modifier Letter Small Capital U

Modifier Letter Small V with Hook

Modifier Letter Small Turned V

Modifier Letter Small Z

Modifier Letter Small Z with Retroflex Hook

Modifier Letter Small Z with Curl

Modifier Letter Small Ezh

Modifier Letter Small Theta

Latin Small Letter A with Right Half Ring

Latin Small Letter Long S with Dot Above

Greek Small Letter Alpha with Oxia

Greek Small Letter Epsilon with Oxia

Greek Small Letter Eta with Oxia

Greek Small Letter Iota with Oxia

Greek Small Letter Omicron with Oxia

Greek Small Letter Upsilon with Oxia

Greek Small Letter Omega with Oxia

Greek Capital Letter Alpha with Oxia

Greek Prosgegrammeni

Greek Perispomeni

Greek Dialytika and Perispomeni

Greek Capital Letter Epsilon with Oxia

Greek Capital Letter Eta with Oxia

Greek Psili and Varia

Greek Psili and Oxia

Greek Psili and Perispomeni

Greek Small Letter Iota with Dialytika and Oxia

Greek Capital Letter Iota with Oxia

Greek Dasia and Varia

Greek Dasia and Oxia

Greek Dasia and Perispomeni

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