Warning: preg_match() [function.preg-match]: Unknown modifier '-'

Question

I change ereg to preg_match for update mycode to PHP5.3 . now i see this warning in my page. how to fix this ?

warning :

Warning: preg_match() [function.preg-match]: Unknown modifier '-' in C:\xampp\htdocs\share\configs\functions.php on line 2645

old Code :

if (!ereg ("([0-9]{4})-([0-9]{1,2})-([0-9]{1,2})", $dateOfBirth, $regs))

New Code (PHP 5.3):

if (!preg_match ("([0-9]{4})-([0-9]{1,2})-([0-9]{1,2})", $dateOfBirth, $regs))

Thanks

possible duplicate of [preg_match_all() \[function.preg-match-all\]: Unknown modifier '\]'](http://stackoverflow.com/questions/396557/preg-match-all-function-preg-match-all-unknown-modifier) and many others, have a look at the "Related" list on the right side. — Felix Kling, Jul 26 '12 at 08:51

score 3 · Accepted Answer · answered Jul 26 '12 at 08:50

3

You need to add delimiters:

if (!preg_match ("/([0-9]{4})-([0-9]{1,2})-([0-9]{1,2})/", $dateOfBirth, $regs))
#                 ^                                    ^

answered Jul 26 '12 at 08:50

Mark Byers

1 Answers1