Re: help with preg_match

You need to tell preg_match that there will be multiple characters. Right now, you're searching for one, and only one. if (! preg_match ('/^[a-z0-9]+$/', $unchecked_text)) { The "+" means one or more matches to the range in brackets. -- tracy On 1/4/03 9:03 AM, "Anders Thoresson" <listor@thoresson.net> wrote: > Hi, > > I'm trying to write a function that validates the input in a textarea. I > just want to allow alphanumrical characters, and if the user enters > anything else, I display an error message by calling error(). > > But the following doesn't work. Even if I enter "hello" in the textarea, > I get the error message. What am I missing? > > > // validate entered text in textarea > > function validate_textarea($unchecked_text) { > > if (!preg_match ("/^[a-zåäö0-9]$/is", $unchecked_text)) { > error("You have used unlegal characters, just alphanumeric is ok."); > } > } > > Best regards, > > Anders > -- Tracy F. Rotton tracy@taupecat.com http://www.taupecat.com/ "... I like the 49ers because they're pure of heart, Seattle because they've got something to prove, and the Raiders because they always cheat." -- Lisa Simpson, "Lisa the Greek"