Re: problem with regular expression
| From: | billt | Date: | Mon, 16 Jul 2001 14:51:20 +0000 |
| Subject: | Re: problem with regular expression | ||
| References: | 1 2 | Groups: | php.db |
| Request: | Send a blank email to php-db+get-10449@lists.php.net to get a copy of this message | ||
On Mon, Jul 16, 2001 at 10:41:15AM -0300, Thomas wrote:
> ----- Mensaje original -----
> De: "Jennifer Arcino Demeterio" <eper@tridel.net>
> Para: <php-db@lists.php.net>
> Enviado: lundi 16 juillet 2001 04:35
> Asunto: [PHP-DB] problem with regular expression
>
> i have a script to identify if the input is a combination of letters and
> numbers
>
> if (eregi("[a-zA-Z0-9][0-9]+[a-zA-Z][0-9a-zA-Z]",$fieldvalue))
> print "alphanumeric"
> } else {
> not an alphanumeric
> }
>
> my problem is, when the string ends with a number, for example hello123, it
> says "not an alpanumeric" ... it works fine when the number is placed before
> the letters or in between letters ... why is that?
the regular expression you have says:
match any letter or number, followed by one or more numbers followed
by any letter followed by any letter or number.
hello123 fails on the 'e' (not being a number).
Something like H12345 would fail because there is no letter after the
5.
Cheers,
Bill
>
> i would really appreciate your help, thanks very much
>
> :)
>
> => sigkiller was here (PHP)
>