3 ms·
14977 is a disaster, do NOT use it. See: https://dwheeler.com/essays/dont-use-iso-14977-ebnf.html https://dwheeler.com/essays/dont-use-iso-14977-ebnf.html IETF
by dwheeler 4y ago
14977 is a disaster, do NOT use it. See: https://dwheeler.com/essays/dont-use-iso-14977-ebnf.html https://dwheeler.com/essays/dont-use-iso-14977-ebnf.html
IETF's RFC works, but it has its own problems. In particular, most people use regexes constantly, and that RFC is unnecessarily incompatible with widely-used regex format.
I suggest looking at the W3C Extensible Markup Language (XML) 1.0 (Fifth Edition) as a plausible starting point: a href="https://www.w3.org/TR/xml/#sec-notation https://www.w3.org/TR/xml/#sec-notation