On Wed, 10 Jan 2001, Murray Shields wrote:
> Hi all.
>
> I have written my first regex's, which are simply used for validation of
> input into a web form. Basically, they check to see if an invalid characters
> are being entered, and is working perfectly. A different regex is used to
> different types of input.
>
> They are as follows
>
> $Status = (ereg("^[A-Za-z0-9` !@#$%&()=:;\"\'.?/-]*$", $String));
> $Status = (ereg("^[0-9 +-]*$", $String)); 0-9 [SPACE] + -
> $Status = (ereg("^[A-Za-z`' -]*$", $String)); A-Z a-z ` - ' [SPACE]
> $Status = (ereg("^[A-Z_]*$", $String)); A-Z _
> $Status = (ereg("^[A-Z ]*$", $String)); A-Z [SPACE]
> $Status = (ereg("^[0-9 ]*$", $String)); 0-9 [SPACE]
> $Status = (ereg("^[A-Za-z0-9` @#$%&()=:;\"\'.?/-]*$", $String));
>
> At the moment, the error message sent to the browser is along the lines of
> "You have entered invalid characters. Please check and try again." However,
> I would rather be able to tell them WHICH characters they entered represent
> a problem.
>
> How can I get a the list of characters tht causes one of these regex's to
> fail?
>
> ======================================================================
> Murray Shields Email: [EMAIL PROTECTED]
> MU Systems Pty Ltd Phone: +61 7 3351 6677
> Global Catalogs Pty Ltd Phone: +61 7 3351 4777
>
Proably the only way to do this would be to write a custom parser. REs are
amazing for showing you what they found, but are pathetic at showing you what
they missed.
--
Ignacio Vazquez-Abrams <[EMAIL PROTECTED]>
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