what is wrong with that r"\"
horpner at yahoo.com
Tue Jul 3 15:48:47 CEST 2007
On 2007-07-03, alf <ask at me> wrote:
> question without words:
> >>> r"\"
> File "<stdin>", line 1
> SyntaxError: EOL while scanning single-quoted string
> >>> r"\ "
> '\\ '
>From the Python Language Reference 2.4.1 String Literals:
When an "r" or "R" prefix is present, a character following a
backslash is included in the string without change, and all
backslashes are left in the string. For example, the string
literal r"\n" consists of two characters: a backslash and a
lowercase "n". String quotes can be escaped with a backslash,
but the backslash remains in the string; for example, r"\"" is
a valid string literal consisting of two characters: a
backslash and a double quote; r"\" is not a valid string
literal (even a raw string cannot end in an odd number of
backslashes). Specifically, a raw string cannot end in a
single backslash (since the backslash would escape the
following quote character). Note also that a single backslash
followed by a newline is interpreted as those two characters
as part of the string, not as a line continuation.
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