The ' character is represented by 39 in ASCII and U+0027 ' APOSTROPHE in Unicode. It is used as:

  • Apostrophe (as straight version of the character), a punctuation mark, and sometimes a diacritical mark
  • Single quotation mark (as straight version of the and characters)

Informal use

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Being supplied as standard on many keyboard layouts, it is often used in informal contexts to replace other similar looking characters that include:

Diacritical marks

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  • Acute accent (´), a diacritic used in many modern written languages
  • Geresh (׳), a sign in Hebrew writing
  • Apex (´), a diacritic used to indicate a long vowel

Modifier letter punctuation

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Other uses as accents, pronunciation, or stress

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Units of measure

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  • Prime (symbol) (), used to designate units and for other purposes in mathematics, the sciences, linguistics, and music

See also

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