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  3. October 2014

Re: Syntax check a string as a valid email address

On Wed, Oct 15, 2014 at 11:22 AM, <rob@xxxxxxxxx> wrote:
I was going to say no it doesn't because it checks left and right to see
if they are blank. However, I bet your observation would cause an
execution error.
EVAL LeftSide = %subst(Email:1:@pos-1)
If the whole email address was '@mydomain.com' then @pos would be 1. Thus
making the results of @pos-1 be equal to zero. Which may make the %subst
operation get violently ill.

No, %SUBST is fine with zero length, and it says so right in the manual.

John Y.

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