Re: Lua Suggestion: return nil in string.find/match() for indexes that are before the string

[Dirk Laurie <dirk.laurie@...>]

2014-03-02 9:06 GMT+02:00 Coroutines <coroutines@gmail.com>:

> This does not:
>
>> = string.find('cat', 'cat', -31, true)
> 1 3

> I expect it to match the string at the index I passed to it, not
> silently reposition the start at a valid index (1).

All the string functions do that. It is documented under string.sub.

| If, after the translation of negative indices, i is less than 1, it
is corrected to 1.