Re: RE: How can I check for characters in a $_POST[] variable?

On 09/22/2011 09:24 PM, Eric wrote: > if(preg_match('(.*)^[A-Za-z0-9]+', $_POST['username']) !== 0) { > echo "<p style=\"color:red;font-weight:bold;margin-left:95px\">"; > echo "Username must only contain A-Z and 0-9</p>"; > include("register.html"); > exit; > } > > I used the code above but I now get this error message > > Warning: preg_match() [function.preg-match]: Unknown modifier '^' in C:\Documents and > Settings\iceweasel\Desktop\XAMPP\relik.ath.cx\forum\register.php on line 2 > > I don't like to run php with errors off so I wanna ask how I can fix this. Oh damn, I just forgot that the pattern is to be enclosed between delimiters. Glad that you found the fix using ctype_alnum though. A new learning for me. -- Nilesh Govindarajan http://nileshgr.com