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IsLetter
Syntax
Result = IsLetter ( sArg AS String ) AS Boolean
Result = Letter? ( sArg AS String ) AS Boolean

Returns TRUE if the string sArg contains only letters.

A letter is one of the following characters: [ ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz ]

Example
PRINT IsLetter("Gambas")

True

Example
PRINT IsLetter("Cool!")

False


See also
Character Test Functions