darn Regex

[ianco]

Hi All

 

I have a form with 2 inputs,

 

I want to echo three outputs in the form of a link. From one of the outputs i want to create the third ($arb)  by identifying the first character.

 

The numbers going into the form are either bxxxxxxx or cxxxxxxx where x is an integer.

 

I have some if code below but it always outputs b9 and not c0. I can't see why as the regex code looks ok.

 

any idea?

 

Ian

 

<?php
if(preg_match("/^[bB][a-zA-Z0-9]{7}$/",$num)) {
global $arb;
$arb = "b9";	
} else {
global $arb;	
$arb = "c0";
}
?>