IdentifiersΒΆ

Identifiers are names used for user-defined variables and functions. They can be composed of:

  • upper (A-Z) or lower (a-z) case letters,
  • underscore (_),
  • digits (0-9).

An identifier cannot begin with a digit. Identifiers are case-sensitive. Here are some examples of valid identifiers:

myVar
_myVar
my123Var
MAX_LEN
max_len
Options v: v4
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en
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v3
v4