Subtraction/Intersection syntax

[Just Lurker <gm...@gmail.com>]

Does ORO support the subtraction/intersection functionality?

I  have been trying to use the following regular expression without
much success, for validating user-id's using the RFC-2486 standard.


^[^[[:ascii:]&&[:cntrl:]\u0020\\<>\"\[\].,;:@]]*$

Essentially, in the above expression, I am expecting to allow all
ascii characters except for control characters, space and any one of
those punctuation characters.

Any suggestions on how to implement this would be much appreciated.

Thanks.

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Re: Subtraction/Intersection syntax

[Just Lurker <gm...@gmail.com>]

The expression in my previous post should read

^[[:ascii:]&&[^[:cntrl:]\u0020\\<>\"\[\].,;:@]]*$

Thanks.


On 10/3/05, Just Lurker <gm...@gmail.com> wrote:
> Does ORO support the subtraction/intersection functionality?
>
> I  have been trying to use the following regular expression without
> much success, for validating user-id's using the RFC-2486 standard.
>
>
> ^[^[[:ascii:]&&[:cntrl:]\u0020\\<>\"\[\].,;:@]]*$
>
> Essentially, in the above expression, I am expecting to allow all
> ascii characters except for control characters, space and any one of
> those punctuation characters.
>
> Any suggestions on how to implement this would be much appreciated.
>
> Thanks.
>

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