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

Question

This question already has an answer here:

• Warning: preg_replace(): Unknown modifier ']' 3 answers

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

Answer 1

You need to add delimiters:

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