Re: Special characters in patterns: what about \?

[Tony Finch <dot@...>]

On Wed, 27 Jun 2007, Mauro Iazzi wrote:

> The backslash is still considered escape at string constructor level.
> It is discarded before it arrives to gsub. Then gsub does not even
> know it was there and interprets the ^ as negating next char (it needs
> at least one). Anytime you want a backslash in a string just insert it
> twice.

As an aside, I have to say that the idea of using % for escaping in Lua
patterns is a pretty neat way of reducing the multi-layer escape problem
that's common in other languages (such as emacs lisp and exim configs).

Tony.
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