php explode at capital letters?

Question

I have strings like:

$a = \'helloMister\';
$b = \'doggyWaltz\';
$c = \'bumWipe\';
$d = \'pinkNips\';

How can I explode at the capital lette

Answer 1

Look at preg_split, it's like explode but takes a regular expression

preg_split('~[A-Z]~',$inputString)