Hi Carlos,
Thanks for proposing this. Would you mind sending it out to swift-dev or
swift-evolution as well? The authors of the Swift standard library are more
likely to see your message there.
- Tony
> On Dec 31, 2016, at 11:53 AM, Carlos García via swift-corelibs-dev
> <swift-corelibs-dev@swift.org> wrote:
>
> Hi,
>
> I think this is important enough and useful for we to be in the core standard
> library
>
> extension String {
>
> func index(of string: String, options: String.CompareOptions = .literal)
> -> String.Index? {
> return range(of: string, options: options)?.lowerBound
> }
>
> func indexes(of string: String, options: String.CompareOptions =
> .literal) -> [String.Index] {
> var result: [String.Index] = []
> var start = startIndex
> while let range = range(of: string, options: options, range:
> start..<endIndex) {
> result.append(range.lowerBound)
> start = range.upperBound
> }
> return result
> }
>
> func ranges(of string: String, options: String.CompareOptions = .literal)
> -> [Range<String.Index>] {
> var result: [Range<String.Index>] = []
> var start = startIndex
> while let range = range(of: string, options: options, range:
> start..<endIndex) {
> result.append(range)
> start = range.upperBound
> }
> return result
> }
>
> }
>
>
> Source is not mine, I’ve found here:
> http://stackoverflow.com/a/32306142/4550651
> <http://stackoverflow.com/a/32306142/4550651>
>
> Best and happy 2017
>
> Carlos García
>
>
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> swift-corelibs-dev@swift.org
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