Forums Scripts & Popups server sends back string length of 35000+

XML is not always so convenient. Really, that regex should be /<passportName>([^<]+)<\/passportName>/... This would explain why he's only getting 7 matches.

There are more than a couple of options, providing you're willing to compile a DLL. Google "parsing XML streams in C/C++". It may not be "built in", but it's likely a faster, and more complete (so you won't have to write any other regular expressions) way to parse streams of XML.

edit: just noticed you're using non-greedy match, but still...