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isCharAlphanumeric
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The isCharAlphanumeric function returns true if every character in
the argument {obj} is alphanumeric. Otherwise the isCharAlphanumeric
function returns false.
When to use The isCharAlphanumeric function function is used to query an object to see
if it contains only alphanumeric characters.
(isCharAlphanumeric obj) If the object contains only alphanumeric characters, true is returned. Otherwise false is returned.
Here are a number of links to Lambda coding examples which contain this instruction in various use cases.
Example_String_isCharAlphanumeric_001
Here are the links to the data types of the function arguments. Here are also a number of links to functions having arguments with any of these data types.
You can always talk with the AIS at aiserver.sourceforge.net.
Name
Description
AIS Types obj Object to be evaluated. Character String Symbol Vector
ByteVector Text Boolean
Returns:
Examples
Argument Types
Character
String
Symbol
Vector
ByteVector
Text
Boolean
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