Data Detectors
The NSDataDetector class is a subclass of NSRegularExpression. Data detectors allow you to search for well-defined data types, including dates, addresses, URL links, phone numbers, and transit information, using Apple’s fully tested algorithms instead of trying to create your own regular expressions. Even better, they’re localized!
Take the same approach shown previously for enumerating regular expressions. This code snippet searches for links (URLs) and phone numbers:
NSError *error = NULL; NSDataDetector *detector = [NSDataDetector dataDetectorWithTypes: NSTextCheckingTypeLink|NSTextCheckingTypePhoneNumber error:&error]; // Enumerate over a string [detector enumerateMatchesInString:text ...
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