[swift-evolution] Empower String type with regular expression
jcr at mac.com
Wed Feb 3 05:43:00 CST 2016
> On Feb 2, 2016, at 9:29 PM, Chris Lattner via swift-evolution <swift-evolution at swift.org> wrote:
> If you bring the same concept to regex parsing, I think it would make a lot of sense for primitive types to support “default” regex rules (e.g. integers would default to /[0-9]+/ ) and then have modifier characters that support other standard modes for them (e.g. x for hexadecimal).
I really like this idea. It would be very nice to be able to describe a regex like “(name:String), (dateOfBirth: NSDate), (notes: String), (EOL)” and have the details of what characters constitute each of these types be specified on a per-type basis. NSScanner can do something a bit like this, but it requires quite a bit of care and feeding.
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