From catalog/rfc5322-email.abnf rule: quoted-pair
Definition
quoted-pair = "\" ( VCHAR / WSP )
Info
- Rulename
- quoted-pair
- Dependencies
- VCHAR, WSP, quoted-pair
- Used Builtins
- VCHAR, WSP
Alphabet
␉ ␠…[ ]…~\
Translations
Railroad Diagram
ECMAScript/JavaScript Regular Expression Literal
/^\\[\x09 -~]$/
Swift Regular Expression
\\[\u{9} -~]
POSIX Extended Regular Expression
\\[\x09 -~]