IsBoolean
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Returns if a string can be interpreted as a localized boolean value.
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IsDate
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Returns if a string can be interpreted as a localized date.
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IsFloat
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Returns if a string can be interpreted as a localized floating point value.
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IsInteger
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Returns if a string can be interpreted as an integer value.
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IsLong
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Returns if a string can be interpreted as a 64-bits integer value.
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IsNull
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Returns if an expression is NULL.
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IsNumber
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Returns if an string can be interpreted as a number, i.e. an Integer, a Long or a Date.
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SizeOf
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Returns the memory used by a specific datatype.
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TypeOf
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Returns the datatype of an expression.
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