> -----Original Message----- > From: Jim Lucas [mailto:lists@xxxxxxxxx] > Sent: January 17, 2007 8:10 PM > To: Jim Lucas > Cc: Beauford; 'PHP' > Subject: Re: One last try at this! > > Jim Lucas wrote: > > Beauford wrote: > >> This is what I am trying to do, and for the most part it > works, but > >> it also may be causing some of my other problems. > >> > >> If $event contains invalid characters, I am returning a > string that > >> says "Invalid Characters" So $result now contains the > value 'Invalid > >> Characters'. > >> Then $formerror['event'] = $result - is self explanatory. > >> > >> If there are no errors nothing is returned and $result > should contain > >> anything. But this doesn't always seem to be the case. > This is one of > >> the problems I am having. > >> > >> This is the code in a nutshell. > >> > >> if($result = ValidateString($event)) { $formerror['event'] > = $result; > >> function ValidateString($string) { > >> > >> if(!preg_match("/^[-A-Za-z0-9_.' ]+$/", $string)) { > >> return "Invalid Characters"; > >> } > >> > >> Thanks > >> > >> > > In your regex you have a "." this will match anything > > > > try this: > > > > <plaintext><?php > > > > function ValidateString($string) { > > if ( preg_match("/[^a-zA-Z0-9\_\.\' -]+/", $string) ) { > > return "Invalid Characters"; > > } > > return false; > > } > > > > $formerror = array(); > forgot to say that all you need to do to get rid of the > default values is remove the following two lines > > > $formerror['firstAttempt'] = 'first attempt'; > > $formerror['secondAttempt'] = 'second attempt'; > > > > $event = "A-Z and a-z plus 0-9 and an '_' are allowed."; if ( ( > > $result = ValidateString($event) ) !== false ) { > > $formerror['firstAttempt'] = $result; } > > > > $event = "But bad chars like !@#$ and %^&* are not > allowed."; if ( ( > > $result = ValidateString($event) ) !== false ) { > > $formerror['secondAttempt'] = $result; } > > > > var_dump($formerror); > > > > ?> > > > > Jim Lucas > > The regex itself was not really the problem, although I appreciate the help on that, but I'm not sure I follow the rest of what your saying. I tried your line below, and whether or not there were errors, an error was always returned. So ABC or @#$ would give me the same result. if ( ($result = ValidateString($event) ) !== false ) { $formerror['firstAttempt'] = $result; } Thanks -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
