Module abnf_core::streaming [−][src]
ABNF Core Rules (RFC5234 B.1.)
Functions
| CR | Carriage return |
| CRLF | Internet standard newline |
| CRLF_relaxed | Newline, with and without "\r". |
| DQUOTE | Double Quote |
| HTAB | Horizontal tab |
| LF | Linefeed |
| SP | Use of this linear-white-space rule permits lines containing only white space that are no longer legal in mail headers and have caused interoperability problems in other contexts. |
| WSP | White space |
| is_ALPHA | A-Z / a-z |
| is_BIT | BIT = "0" / "1" |
| is_CHAR | Any 7-bit US-ASCII character, excluding NUL |
| is_CTL | Controls |
| is_DIGIT | 0-9 |
| is_HEXDIG | HEXDIG = DIGIT / "A" / "B" / "C" / "D" / "E" / "F" |
| is_VCHAR | Visible (printing) characters |