Swift split

转：http://www.cocoachina.com/bbs/read.php?tid=207275

Swift String扩展

/*

* @String扩展

* @Date:2014/06/17

*/

import Cocoa

extension String{

//分割字符

func split(s:String)->String[]{

if s.isEmpty{

var x=String[]()

for y in self{

x.append(String(y))

}

return x

}

return self.componentsSeparatedByString(s)

}

//去掉左右空格

func trim()->String{

return self.stringByTrimmingCharactersInSet(NSCharacterSet.whitespaceCharacterSet())

}

//是否包含字符串

func has(s:String)->Bool{

if self.rangeOfString(s) {

return true

}else{

return false

}

}

//是否包含前缀

func hasBegin(s:String)->Bool{

if self.hasPrefix(s) {

return true

}else{

return false

}

}

//是否包含后缀

func hasEnd(s:String)->Bool{

if self.hasSuffix(s) {

return true

}else{

return false

}

}

//统计长度

func length()->Int{

return countElements(self)

}

//统计长度(别名)

func size()->Int{

return countElements(self)

}

//截取字符串

func substr(range:Int...)->String{

if range[0]==0{

return self.substringToIndex(range[1])

}else{

return self.substringFromIndex(range[0])

}

}

//重复字符串

func repeat(times: Int) -> String{

var result = ""

for i in 0..times {

result += self

}

return result

}

//反转

func reverse()-> String{

var s=self.split("").reverse()

var x=""

for y in s{

x+=y

}

return x

}

}

var test="yckit.com "

test.split(".")

test.trim()

test.has("yckit")

test.hasBegin("yckit")

test.hasEnd("com")

test.length()

test.size()

var r="卧槽"

r.repeat(3)

var test2="DMKU.NET"

test2.substr(0,1)

test2.substr(1,2)

test2.reverse()
https://github.com/jinzhe/swift