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Mathematica > Symbol Handling >

Built-in Mathematica Symbol

NameQ

NameQ["string"]
yields True if there are any symbols whose names match the string pattern given, and yields False otherwise.

You can test for classes of symbol names using abbreviated string patterns with metacharacters such as *, as specified in Some General Notations and Conventions.

Test whether a string corresponds to a Symbol:

Test whether there are any symbols corresponding to a class of strings:

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