Does swift have a trim method on String

Question

Does swift have a trim method on String  For example   let result     abc   trim      result     abc

User · Answer

Put this code on a file on your project  something likes Utils swift   extension String          func trim   - gt  String               return self stringByTrimmingCharactersInSet NSCharacterSet whitespaceCharacterSet              So you will be able to do this   let result     abc   trim      result     abc    Swift 3 0 Solution  extension String          func trim   - gt  String          return self trimmingCharacters in  NSCharacterSet whitespaces           So you will be able to do this   let result     Hello World   trim      result    HelloWorld

User · Answer

Truncate String to Specific Length  If you have entered block of sentence text and you want to save only specified length out of it text  Add the following extension to Class  extension String       func trunc   length  Int  - gt  String       if self characters count  gt  length           return self substring to  self characters index self startIndex  offsetBy  length         else           return self              func trim   - gt  String       return self trimmingCharacters in  CharacterSet whitespacesAndNewlines            Use   var str    Lorem Ipsum is simply dummy text of the printing and typesetting industry     str is length 74 print str    O P   Lorem Ipsum is simply dummy text of the printing and typesetting industry   str   str trunc 40  print str    O P  Lorem Ipsum is simply dummy text of the

User · Answer

In Swift3 XCode 8 Final  Notice that the CharacterSet whitespaces is not a function anymore    Neither is NSCharacterSet whitespaces   extension String       func trim   - gt  String           return self trimmingCharacters in  CharacterSet whitespaces

User · Answer

extension String           EZSE  Trims white space and new line characters     public mutating func trim              self   self trimmed                  EZSE  Trims white space and new line characters  returns a new string     public func trimmed   - gt  String           return self stringByTrimmingCharactersInSet NSCharacterSet whitespaceAndNewlineCharacterSet              Taken from this repo of mine  https   github com goktugyil EZSwiftExtensions commit 609fce34a41f98733f97dfd7b4c23b5d16416206

User · Answer

Here s how you remove all the whitespace from the beginning and end of a String   Example tested with Swift 2 0   let myString    quot    t t  Let s trim all the whitespace   n  t   n   quot  let trimmedString   myString stringByTrimmingCharactersInSet      NSCharacterSet whitespaceAndNewlineCharacterSet        Returns  quot Let s trim all the whitespace quot    Example tested with Swift 3    let myString    quot    t t  Let s trim all the whitespace   n  t   n   quot  let trimmedString   myString trimmingCharacters in   whitespacesAndNewlines     Returns  quot Let s trim all the whitespace quot

User · Answer

Don t forget to import Foundation or UIKit   import Foundation let trimmedString       aaa     trimmingCharacters in   whitespaces  print trimmedString    Result     aaa    Otherwise you ll get    error  value of type  String  has no member  trimmingCharacters      return self trimmingCharacters in   whitespaces

User · Answer

Yes it has  you can do it like this   var str      this is the answer     str   str trimmingCharacters in  CharacterSet whitespacesAndNewlines  print srt      this is the answer    CharacterSet is actually a really powerful tool to create a trim rule with much more flexibility than a pre defined set like  whitespacesAndNewlines has   For Example   var str     Hello World    let cs   CharacterSet init charactersIn        str   str trimmingCharacters in  cs  print str      Hello World

User · Answer

You can use the trim   method in a Swift String extension I wrote https   bit ly JString   var string    hello    var trimmed   string trim   println trimmed     hello

User · Answer

Another similar way   extension String       var trimmed String           return self trimmingCharacters in  CharacterSet whitespaces            Use    let trimmedString    myString   trimmed

User · Answer

Swift 5  amp  4 2  let trimmedString     abc   trimmingCharacters in   whitespaces     trimmedString     abc

User · Answer

Swift 4 0 Remove spaces and new lines  extension String       func trim   - gt  String           return self trimmingCharacters in   whitespacesAndNewlines

User · Answer

You can also send characters that you want to be trimed  extension String         func trim   - gt  String            return self trimmingCharacters in   whitespacesAndNewlines              func trim characterSet CharacterSet  - gt  String            return self trimmingCharacters in  characterSet            validationMessage   validationMessage trim characterSet  CharacterSet charactersIn

User · Answer

Swift 3  let result     abc   trimmingCharacters in   whitespacesAndNewlines

User · Answer

Swift 5    extension String        func trimAllSpace   - gt  String            return components separatedBy   whitespacesAndNewlines  joined                  func trimSpace   - gt  String           return self trimmingCharacters in   whitespacesAndNewlines             Use    let result    quot  abc  quot  trimAllSpace      result     quot abc quot  let ex    quot  abc cd   quot  trimSpace      ex     quot abc cd quot

User · Answer

I created this function that allows to enter a string and returns a list of string trimmed by any character    func Trim input String  character Character - gt   String        var collection  String     String        var index    0     var copy   input     let iterable   input     var trim   input startIndex advancedBy index       for i in iterable characters                if  i    character                         trim   input startIndex advancedBy index                 apennding to the list             collection append copy substringToIndex trim                  cut the input             index    1             trim   input startIndex advancedBy index              copy   copy substringFromIndex trim               index   0                   else                       index    1                     collection append copy      return collection      as didn t found a way to do this in swift  compiles and work perfectly in swift 2 0

User · Answer

In Swift 3 0  extension String          func trim   - gt  String          return self trimmingCharacters in  CharacterSet whitespaces           And you can call  let result     Hello World   trim       result    Hello World

[string] Does swift have a trim method on String?

Examples related to string

Examples related to swift

Examples related to trim