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From: mlev on 5 Mar 2010 17:07
In the form, users may enter alphanumerical data. The only special
characters I want to allow are periods (.) and hyphens (-).

How can I modify this validation rule to allow a hyphen? Rule is:

Is Null Or Not Like "*[!((a-z) or (0-9) or (.))]*"




From: Marshall Barton on 6 Mar 2010 10:19
mlev wrote:

>In the form, users may enter alphanumerical data. The only special
>characters I want to allow are periods (.) and hyphens (-).
>
>How can I modify this validation rule to allow a hyphen? Rule is:
>
> Is Null Or Not Like "*[!((a-z) or (0-9) or (.))]*"
>

Try using:
Is Null Or Not Like "*[!a-z0-9.-]*"

--
Marsh
MVP [MS Access]
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