Re: Is string.gsub() slow when using "plain" pattern?

[Luiz Henrique de Figueiredo <lhf@...>]

> (2) Is s:find("b") as efficient as s:find("b", 1, true) ?
> (4) Can s:find("b") be considered "on par" with executing strstr(s, "b") in C?

Yes. See https://www.lua.org/source/5.3/lstrlib.c.html#str_find_aux :

	  /* explicit request or no special characters? */
	      /* do a plain search */