Re: What am i doing wrong :\

The answer is to read the manual on preg, since it is basically perl regex you need to use "/[a-zA-Z0-9_]/". Note the forward slashes. <Clivus2k1@aol.com> wrote in message news:c6.1cc636e8.2bf13303@aol.com... > Basicly its a simple to check to see if chars a-z,A-Z,0-9 and _ are added, > why does this tell me both strings display illegal chars? :\ > > <? > function validc($text) { > if (preg_match("[a-zA-Z0-9_]",$text)) { return 1; } > else { return 0; } > } > > $str = "moo-"; > if (!validc($str)) { echo("ERROR - $str contains illegal chars<br>"); } > > $str2 = "moo"; > if (!validc($str2)) { echo("ERROR - $str2 contains illegal chars"); } > ?> > > Thanks for the help in advanced :-) >