Re: Filtering chars from string

[nobody <nobody+lua-list@...>]

On 27/08/2019 16.17, Roberto Ierusalimschy wrote:
> You can safely escape any non-alphanumeric character. Escaping some 
> alphanumeric characters changes their meanings.

On 27/08/2019 16.26, Luiz Henrique de Figueiredo wrote:
> You should not escape all letters because some of them represent 
> classes. For instance "[%d]" is the same as "[0123456789]". You can 
> escape all punctuation.

Right, both character classes (% + letter) and captures (% + digit) are
a thing.  I shouldn't be writing "quick mails" when mentally impaired.
(It's effin' hot outside…)

Sorry.

-- nobody