PHP parser misses "\" in pattern

Hi,
I am parsing a xml file and getting all datas.
some datas are regular patterns, that has to be used for validation,
Regular pattern eg:^\d{5}$
during parsing "\" is removed and only ^d{5}$ is used for validation, wat is the problem, can anybody help out...............
I am using this function
xml_parser_set_option($xml_parser, XML_OPTION_CASE_FOLDING, 0);
does this function causes the problem.......

 

Do PHP XML parsers have regex interpreting? Never knew that... Are you sure? Because that might be the problem.

 

Have you tried escaping the backslash?

I.e ^\\d{5}$

 

i tried escaping, then it was working..... anyway, i cannot do that, bcos pattern is users input, so can u tell me some other ways of overcoming this problem?

 

Maybe:

$pattern = preg_quote($_POST['pattern']);

PHP:

http://us2.php.net/preg_quote

 

Try using: /^d{5}$/i