Split an NSString to access one particular piece

Question

I have a string like this    10 04 2011  and I want to save only the  10  in another string  How can I do that

User · Answer

Objective-c  NSString  day      quot 10 04 2011 quot  componentsSeparatedByString   quot   quot   0    Swift  var day  String    quot 10 04 2011 quot  componentsSeparatedByString  quot   quot   0

User · Answer

Either of these 2     NSString  subString    dateString subStringWithRange NSMakeRange 0 2    NSString  subString     dateString componentsSeparatedByString       objectAtIndex 0     Though keep in mind that sometimes a date string is not formatted properly and a day   or a month for that matter   is shown as 8  rather than 08 so the first one might be the worst of the 2 solutions    The latter should be put into a separate array so you can actually check for the length of the thing returned  so you do not get any exceptions thrown in the case of a corrupt or invalid date string from whatever source you have

User · Answer

I have formatted the nice solution provided by JeremyP above into a more generic reusable function below      Return an ARRAY containing the exploded chunk of strings   NSArray  explodeString  NSString  stringToBeExploded WithDelimiter  NSString  delimiter       return  stringToBeExploded componentsSeparatedByString  delimiter

User · Answer

Its working fine  NSString  dateString     10 10 2010    Date  NSArray  dateArray    dateString componentsSeparatedByString         NSString  dayString    dateArray objectAtIndex  0

User · Answer

NSArray  foo      10 04 2011  componentsSeparatedByString         NSString  firstBit    foo objectAtIndex  0     Update 7 3 2018    Now that the question has acquired a Swift tag  I should add the Swift way of doing this  It s pretty much as simple   let substrings    10 04 2011  split separator       let firstBit   substrings 0    Although note that it gives you an array of Substring  If you need to convert these back to ordinary strings  use map  let strings    10 04 2011  split separator       map  String  0    let firstBit   strings 0    or   let firstBit   String substrings 0

User · Answer

Use  myString componentsSeparatedByString

User · Answer

Swift 3 0 version  let arr   yourString components separatedBy       let month   arr 0

[objective-c] Split an NSString to access one particular piece

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