zoukankan      html  css  js  c++  java
  • Day4 String Change Too Much ,so delay learning the string

    //                                          **Day4

     

    //                                          **String Range

    //var str = "hello world  i'm glad to see your achievement world"

    //let number = str.characters.count

    //let str2 = "yes my goal is not change"

    //str.rangeOfString("world")

    //str.rangeOfString("world", options: NSStringCompareOptions.BackwardsSearch)

    //str2.rangeOfString("goal", options: NSStringCompareOptions.CaseInsensitiveSearch)

     

    // summary   ignore A or a to search use CaseInsensiticeSearch

    // summary   search from the end of string use method backwardsSearch

     

    // range

    //var str : String = "mymymy"

    //str.rangeOfString("my")

    //str.rangeOfString("my", options: NSStringCompareOptions.BackwardsSearch)

    //

    //str.startIndex

    //str.endIndex

    //let strRange = Range<String.Index>(start: str.startIndex , end: str.endIndex)

    //

    //let startIndex:String.Index = str.startIndex

    //let searchIndex = Range<String.Index>(start:str.startIndex,end: str.endIndex)

    //str.rangeOfString("my", options: NSStringCompareOptions.CaseInsensitiveSearch, range: searchIndex)

     

     

     

    // substring

    //var newString = "tang666"

    //let startIndex = newString.startIndex

    //let endIndex = newString.endIndex

     

  • 相关阅读:
    Android热补丁动态修复
    Android用gif做启动页
    如果通过adb查看当前显示的activity
    Android网络框架比较
    Android高清巨图加载方案
    一些Windows下经验
    工作总结
    C++网络编程总结
    编写导出库
    GridCtrl控件的使用
  • 原文地址:https://www.cnblogs.com/tony0571/p/5349530.html
Copyright © 2011-2022 走看看