RE: [PHP] Regular Expression
| From: | Jennifer Goodie | Date: | Mon, 04 Aug 2003 21:55:35 +0000 |
| Subject: | RE: [PHP] Regular Expression | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-158195@lists.php.net to get a copy of this message | ||
> Been working on this one for a while but can't get it working properly.
> I need a regular expression to match if address is
>
> 1. PO Box
> 2. P.O. Box
> 3. P.O.Box
>
> I got it working with 1 & 2, but it's still not matching 3. Any
> suggestions?
>
> if(preg_match( "/p[\.]o\.* +box/i", trim($_POST['address'])){
> echo "Address is P.O. BOX";
> }
You are using a + as the modifier on the space between p.o. and box. +
means 1 or more. Option 3 does not have a space. Try using * which is 0 or
more, or ? which is 0 or 1.