Re: Re: regex problem

I had no idea their was a is_numeric function(). Ill check it out. Its probably a lot better to use then trying to preg_match()/ Many thanks ----- Original Message ----- From: "Monty" <monty3@hotmail.com> To: <php-general@lists.php.net> Sent: Saturday, May 31, 2003 3:21 PM Subject: [PHP] Re: regex problem > I don't understand what it is you're trying to accomplish, so, it's hard to > offer a solution. If you just want to verify whether or not a variable > contains numeric data, why not just use the is_numeric() function: > > http://us4.php.net/manual/en/function.is-numeric.php > > preg_match() will return TRUE if it finds the pattern ANYWHERE in the > string, so, that's why "asdf789" passes the test because it contains digits, > whereas 'asdf' won't pass the test because the numbers 0-9 can't be found > anywhere in that string. > > If you want the entire string to be tested for digits, you need to add the > length of the string to the regex pattern: > > $length = strlen($data); > preg_match("[0-9]{$length}", $data); > > Monty > > > From: drychlik@tcsconsult.com (Daniel J. Rychlik) > > Newsgroups: php.general > > Date: Sat, 31 May 2003 13:46:44 -0500 > > To: <php-general@lists.php.net> > > Subject: regex problem > > > > Hello,, > > > > I have a preg_match issue matching numbers. I am currently using > > > > !preg_match ('/([0-9\-\.\#:])/', $_POST['nums1'] > > throw error[] > > > > This fails if you use something like ' asdf ' but if you use ' asdf789 > > ' it > > passes false and does not throw an error. > > This is not the obvious solution.... I know its a problem in my regular > > expression. Should I ONLY be using > > > > ' /([0-9])/ ' , ? > > > > Thanks in advance. > > Daniel > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php >