check for alphanumeric characters

[jbv]

Nicolas,

AFAIK there is no built-in function for that in Rev.

But this is pretty easy to do with a function in Transcript :
simply loop through all the chars of your clickChunk and
test if the chartonum of each char is within the range
of the chartonum of all letters & numbers.
As soon as a chartonum not included in that range is
encountered, exit the loop and return false.
If all chars are checked OK, then return true.

Hope that helps,
JB

> Hello again,
>
> Is there a Rev function for checking whether a variable contains only
> letters and/or numbers? When using clickChunk, I want anything not a word to
> be ignored (e.g., punctuation).
>
> Thanks.
>
> Cheers,
> Nicolas Cueto
> niconiko language school
>
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