Re: regular expression
| From: | Ashley Sheridan | Date: | Mon, 07 Jun 2010 21:52:53 +0000 |
| Subject: | Re: regular expression | ||
| References: | 1 2 3 4 5 6 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-305930@lists.php.net to get a copy of this message | ||
On Mon, 2010-06-07 at 22:54 +0300, Tanel Tammik wrote:
> "Peter Lind" <peter.e.lind@gmail.com> wrote in message
>
> news:AANLkTilQkZ8DNC0ZAcFv70tcTF2WQKGpZOJcCqtuWu8C@mail.gmail.com...
> > On 1 June 2010 17:33, Ashley Sheridan <ash@ashleysheridan.co.uk> wrote:
> >> 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?
> >>
> >
> > Equally important: why have three people already done this persons
> > homework. 5 minutes googling would have answered this ...
> >
> >
> > --
> > <hype>
> > WWW: http://plphp.dk /
> > http://plind.dk
> > LinkedIn: http://www.linkedin.com/in/plind
> > BeWelcome/Couchsurfing: Fake51
> > Twitter: http://twitter.com/kafe15
> > </hype>
>
> i made an regular expression now by myself. i need to check if string starts
> with 'get' and is followed only by letters a-z case insensitive. am i
> correct?
>
> '/^get[a-z]++$/i'
>
> Br
> Tanel
>
>
>
Yep, that looks right. If you're in any doubt, there are lots of online
regex testers which you can run strings and patterns against. Just
Google for them.
Thanks,
Ash
http://www.ashleysheridan.co.uk