Re: ereg Confusion
| From: | Mark Selby | Date: | Mon, 06 Nov 2000 19:38:12 +0000 |
| Subject: | Re: ereg Confusion | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-23967@lists.php.net to get a copy of this message | ||
If the whole string is ME-xxxxx and nothing else then
$value = "ME-12345";
ereg("ME-([0-9]{5,5})$", $value)
should do it (note the dollar to denote the end of the string.)
Mark.
----- Original Message -----
From: "Jamie Alessio" <alessio@mvfx.com>
To: <php-general@lists.php.net>
Sent: Monday, November 06, 2000 7:26 PM
Subject: [PHP] ereg Confusion
> I need to validate user input for tags that are in the format of
"ME-xxxxx" where 'x' is
> numeric. The input needs to start with "ME-" and then have 5 numbers. I
created the
> following regular expression but I am not getting the results I would
expect. It evaluates
> false if I change the "ME-" or put any non-numeric value after "ME-" but
it still
> evaluates true if there are more than five numbers after "ME-".
>
> -- Evaluates TRUE
> $value = "ME-12345";
> ereg("ME-([0-9]{5,5})", $value)
>
> -- Evaluates FALSE
> $value = "ME-1X345";
> ereg("ME-([0-9]{5,5})", $value)
>
> -- Evaluates True
> $value = "ME-123456789012345678";
> ereg("ME-([0-9]{5,5})", $value)
>
> Am I missing something? This seems like it should produce the desired
results.
>
> Config:
> PHP 4.0.2
> FreeBSD 4.1
> Apache 1.3.12
>
> Thanks.
>
> - Jamie
>
>
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