Copied from RegexParsers to support comment handling as whitespace
Copied from RegexParsers to support comment handling as whitespace
(Changed in version 2.9.0) The p0
call-by-name arguments is evaluated at most once per constructed Parser object, instead of on every need that arises during parsing.
Extract variables in reverse order.
Extract variables in reverse order. Variable names '?' are replaced with index starting with 1