Thursday, March 9, 2006

regular expressions in Cocoa


I don't get why program languages don't include regular expression support, either built in or as one of the included libraries.


I wanted to parse some html in Objective-C to find the url for an image.  Ideally, I want to use this expression to find an image url:

img src=\"([^\"]+)\"



Objective-C and Apple's libraries do not include any regular expression support.  I found the OgreKit framework that adds this support. 


Unfortunately, all of the documentation is in Japanese.  And, I wasn't able to correctly embed this framework in my project.  I just ended up searching for the url manually.


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