Code Point or code position is any of the numerical values that make up the code space.[1]

Many Code Point represent single characters but they can also have other meanings, such as for formatting.

For example, the character encoding scheme

  • ASCII comprises 128 code points in the range 0hex to 7Fhex
  • Extended ASCII comprises 256 code points in the range 0hex to FFhex, and Unicode comprises 1,114,112 code points in the range 0hex to 10FFFFhex.
  • Unicode code space is divided into seventeen planes (the basic multilingual plane, and 16 supplementary planes), each with 65,536 (= 216) code points. Thus the total size of the Unicode code space is 17 × 65,536 = 1,114,112.

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