Re: scanning for non alpha characters

At 16:32 14.11.2002, CJ spoke out and said: --------------------[snip]-------------------- >I want to scan the variables passed from teh url of my script for non alpha >characters. The variables should only consist of a-z A-Z 0-9 and spaces, >full stops and commas (Basically I don't want scripts to be passed via the >variable to the server) > >I've used perl a long time ago and its regular expressions seemed ideal for >this kind of thing. Can enybody suggest a scrip to remove unwanted >characters from my variable? --------------------[snip]-------------------- <?php $string = 'A string, with a lot of unwanted characters, more than 20 bytes long...'; echo "$string<br>"; echo preg_replace('/[^a-zA-Z0-9]/',null,$string), '<br>'; ?> -- >O Ernest E. Vogelsinger (\) ICQ #13394035 ^ http://www.vogelsinger.at/