swift 字符串去掉空格和换行

var tempstr ="      !!Swift"

tempstr.stringByTrimmingCharactersInSet(NSCharacterSet.whitespaceCharacterSet())

//"!!swift"

tempstr.stringByTrimmingCharactersInSet(NSCharacterSet(charactersInString:"!"))

//"swift"

你可能感兴趣的:(swift 字符串去掉空格和换行)