iphone - How to extract a value of a string which is there in url -

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i have url , want extract part of string.

the url in similar format this: www.google.com?id=10&jkhsds=fg.php.

i want extract value of id. how this?

if create nsurl object, so:

nsurl *url = [nsurl urlwithstring:@"http://www.google.com"];

you can use methods of nsurl object whatever need, e.g. scheme, host, port, path, , query.

see here:

http://developer.apple.com/library/mac/#documentation/cocoa/reference/foundation/classes/nsurl_class/reference/reference.html


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