java - GUID可以包含反斜杠(\)吗？

Question

我想知道GUID是否可以包含反斜杠(\)。

我还没有见过这样的案例，但我只是想知道。

我正在使用 Java。

Answer 1

Here you are与有关 UUID 的 RFC 一起使用。

其中注明以下内容:

Each field is treated as an integer and has its value printed as a zero-filled hexadecimal digit string with the most significant digit first. The hexadecimal values "a" through "f" are output as lower case characters and are case insensitive on input. The formal definition of the UUID string representation is provided by the following ABNF [7]:

  UUID                   = time-low "-" time-mid "-"
                           time-high-and-version "-"
                           clock-seq-and-reserved
                           clock-seq-low "-" node
  time-low               = 4hexOctet
  time-mid               = 2hexOctet
  time-high-and-version  = 2hexOctet
  clock-seq-and-reserved = hexOctet
  clock-seq-low          = hexOctet
  node                   = 6hexOctet
  hexOctet               = hexDigit hexDigit
  hexDigit =
        "0" / "1" / "2" / "3" / "4" / "5" / "6" / "7" / "8" / "9" /
        "a" / "b" / "c" / "d" / "e" / "f" /
        "A" / "B" / "C" / "D" / "E" / "F"

The following is an example of the string representation of a UUID as a URN:

urn:uuid:f81d4fae-7dec-11d0-a765-00a0c91e6bf6

那么就不允许\。