swift--字符串替換/過濾/切割

//替換

var ReplaceString = "http://www.aimonkey。cn";

var FilterReplace = ReplaceString.stringByReplacingOccurrencesOfString("。", withString: ".", options: NSStringCompareOptions.LiteralSearch, range: nil);

//輸出 "http://www.aimonkey.cn"

 

//過濾(單個字符)

 

var DeleteString = "http://www.aimonkey。cn";

var FilterDelete = DeleteString.stringByReplacingOccurrencesOfString("。", withString: "", options: NSStringCompareOptions.LiteralSearch, range: nil);

//輸出 "http://www.aimonkeycn"

 

//過濾開頭和結尾的空白

var SpaceString = " http://www.aimonkey。cn ";

var AllString = SpaceString.stringByTrimmingCharactersInSet(NSCharacterSet.whitespaceCharacterSet());

//輸出 "http://www.aimonkey。cn"

//切割(返回一個數組)

var SplitStringItem = "Angel";

var ResultString = SplitStringItem.componentsSeparatedByString("n");

//輸出 ["A", "gel"]