How to split the string from an array of strings in swift

Question

I have an array like :

dateTime = ["2018/06/25 05:32:30","2018/05/25 02:37","2018/04/25 05:32:50","2018/07/25 06:30:30"]

Need to split the strings and get the response as :

time = ["05:32:30","02:37","05:32:50","06:30:30"]

Can anyone please help on this.

could you please tell me why you changed my answer as not accepted? — Lal Krishna
– Lal Krishna, Commented Nov 13, 2018 at 6:24

Au Ris · Accepted Answer · 2018-07-26 11:29:40Z

2

you can use flatMap:

let dates = ["2018/06/25 05:32:30","2018/05/25 02:37","2018/04/25 05:32:50","2018/07/25 06:30:30"]
let times = dates.flatMap({ $0.split(separator: " ").last ?? nil })
print(times)
// prints: ["05:32:30", "02:37", "05:32:50", "06:30:30"]

answered Jul 26, 2018 at 11:29

Au Ris

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Jaydeep Vora · Accepted Answer · 2018-07-26 11:34:00Z

2

Use this below solution to get the times from all elements.

let dateTime = ["2018/06/25 05:32:30","2018/05/25 02:37","2018/04/25 05:32:50","2018/07/25 06:30:30"]  
let array = dateTime.map { $0.components(separatedBy: " ")[1] }
 //["05:32:30", "02:37", "05:32:50", "06:30:30"]

edited Jul 26, 2018 at 11:34

answered Jul 26, 2018 at 11:27

Jaydeep Vora

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1 Comment

Au Ris Over a year ago

Just want to note, that using subscript [1] may cause a null pointer if the second element is not found. That's why flatMap is better. Check my answer.

Lal Krishna · Accepted Answer · 2018-07-26 11:41:54Z

2

Loops each items & use split function

let times = dateTime.compactMap { $0.split(separator: " ").last }

answered Jul 26, 2018 at 11:41

Lal Krishna

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