Re: Stumped on a string patterns example

[Matthew Wild <mwild1@...>]

On 9 October 2012 15:40, Jeff Smith <spammealot1@live.co.uk> wrote:
> Hi
>
> I am not great at figuring out these Lua patterns, here is a litle problem
> someone might be able to help me with please ?
>
> I have a string that maybe in any of these forms. I will omit the outer Lua
> string speechmarks for clarity
>
> Fred
> "Fred"
> 'Fred'
> \"Fred\"
> \'Fred\'
>
> I need to strip any speechmark and backslash characters and just return the
> string Fred as a Lua string.  The name inside the speechmarks could have
> spaces or numbers in it just to complicate things a bit

Stripping characters can be done simply with gsub...

    local stripped = input:gsub("[\\\"']+", "")

Regards,
Matthew