module Char:sig..end
val any : char Parser.tany, unlike "." by default, matches newline.
(However, note that of_re2 (Re2.create_exn ".") will match newline. See the
comment on of_re2 for more information.)
val one_of : char list -> char Parser.tone_of and not_one_of are ignored.val not_one_of : char list -> char Parser.tval upper : char Parser.tChar.is_uppercaseval lower : char Parser.tChar.is_lowercaseval alpha : char Parser.tChar.is_alphaval digit : char Parser.tChar.is_digitval alnum : char Parser.tChar.is_alphanumval space : char Parser.tChar.is_whitespace