Re: Checking for character absence with regular expressions
| From: | Matt M. | Date: | Fri, 16 Jul 2004 15:50:16 +0000 |
| Subject: | Re: Checking for character absence with regular expressions | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-190721@lists.php.net to get a copy of this message | ||
> I need to check that the substring " R" (that's a space followed by an
> uppercase R) is not contained within my haystack.
Just one way to do it:
$strings[] = 'Blah Blah R 99.99';
$strings[] = 'Blah Blah R99.99';
$strings[] = 'Blah Blah 99.99CR';
foreach($strings as $value) {
if (preg_match('/\sR/', $value)) {
echo 'A match was found in '.$value.'<br />';
} else {
echo 'A match was not found '.$value.'<br />';
}
}