[swift-corelibs-dev] index indexes and ranges of String

Carlos García carlosypunto at gmail.com
Fri Jan 6 08:40:51 CST 2017


Thanks Tony

Done!

Carlos


> On 04 Jan 2017, at 17:12, Tony Parker <anthony.parker at apple.com> wrote:
> 
> 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 at swift.org <mailto:swift-corelibs-dev at 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 at swift.org <mailto:swift-corelibs-dev at swift.org>
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> 

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