Re: regular expression
| From: | Ashley Sheridan | Date: | Tue, 01 Jun 2010 15:33:50 +0000 |
| Subject: | Re: regular expression | ||
| References: | 1 2 3 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-305695@lists.php.net to get a copy of this message | ||
On Tue, 2010-06-01 at 16:31 +0100, Richard Quadling wrote:
> $re1 = '/^[a-z]++$/i';
> $re2 = '/^[a-z ]++$/i';
>
>
>
> --
> -----
> Richard Quadling
> "Standing on the shoulders of some very clever giants!"
> EE : http://www.experts-exchange.com/M_248814.html
> EE4Free : http://www.experts-exchange.com/becomeAnExpert.jsp
> Zend Certified Engineer :
> http://zend.com/zce.php?c=ZEND002498&r=213474731
> ZOPA : http://uk.zopa.com/member/RQuadling
>
Why the double ++ in the expressions there? Surely one + would match the
1 or more characters that you need and the second one would just be
surplus?
Thanks,
Ash
http://www.ashleysheridan.co.uk