CodePudding user response:
\ is the escape character, is to escape, the characters of behind \ \ t is a TAB character, \ n is a newline, so a single string \ (" \ ") will go wrong, because it's behind the \ "escape,Want a \ string, "\ "
"\ \ " in the first two get a \ \ \, after an \ "escape, so" \ \ \ "is wrong,
CodePudding user response:
I want to be your iron powder,CodePudding user response:
Two get a \ \,So, "\ \ " get "\ ", first to get "";
\ "get a double quotation marks, but the end of this double quotation marks will not be considered for a literal string, so this string of lack of a pair of"