How to check if string matches a regular expression in objective-c?

Question

since regular exressions are not supported in Cocoa I find RegexKitLite very usefull. But all examples extract matching strings.

I just want to test if a string matches

Answer 1

NSRegularExpression is another option:

http://developer.apple.com/library/ios/#documentation/Foundation/Reference/NSRegularExpression_Class/Reference/Reference.html