Re: Patterns

["Leinen, Rick" <RLeinen@...>]

Thanks.  

Sent from my iPhone

> On Sep 30, 2016, at 12:49 PM, Dirk Laurie <dirk.laurie@gmail.com> wrote:
> 
> 2016-09-30 21:39 GMT+02:00 Leinen, Rick <RLeinen@leviton.com>:
> 
>>     t = {}
>>     s = "from=world, to=Lua"
>>     for k, v in string.gmatch(s, "(%w+)=(%w+)") do
>>       t[k] = v
>>     end
> 
>> However, I would also like to allow “_” in the characters before and after
>> the “=”.  I have read through the Patterns section, but have not come up
>> with a working character class modification to do the job.  Can this be
>> done?
> 
> ([_%w]+) allows any number of underscores anywhere.
> (%w+_?) allows an optional underscore at the end.
>