19 lines
582 B
Markdown
19 lines
582 B
Markdown
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# Identifiers
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Identifiers are used as names of variables and functions. The length of the identifier can not exceed 63 characters.
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Characters allowed to be written in an identifier: figures 0-9, the Latin uppercase and lowercase letters a-z and A-Z, recognized as different characters, the underscore character (_).The first character can not be a digit.
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The identifier must not coincide with [reserved](/en/docs/basis/syntax/reserved) word.
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Examples:
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```
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NAME1 namel Total_5 Paper
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```
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See also
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[Variables](/en/docs/basis/variables), [Functions](/en/docs/basis/function)
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