
 Usage

The isdigit functions returns a logical array that is 1 for
characters in the argument string that are digits, and is a
logical 0 for characters in the argument that are not
digits. The syntax for its use is

     x = isdigit(s)

where s is a string.


 Example

A simple example of isdigit:

  --> isdigit('numb3r5')

  ans =
   0 0 0 0 1 0 1


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* String_Functions
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