On Tue, May 21, 2019 at 6:06 AM Tom Lane wrote:
> The 20-year-old reference in our text to ctype(3) seems rather unhelpful
> today; in the first place, there's no such man page on my Linux systems,
> and in the second place, wctype(3) is more important if it exists, and
> in the third place what a
PG Doc comments form writes:
> On https://www.postgresql.org/docs/11/functions-matching.html paragraph
> 9.7.3.2. Bracket Expressions says "Standard character class names are:
> alnum, alpha, blank, cntrl, digit, graph, lower, print, punct, space, upper,
> xdigit". The class "ascii" exists, but is
