Re: LPeg and whitespace removal

[roberto@... (Roberto Ierusalimschy)]

> So, I want to separate the comma separated tokens, trim the left and 
> right whitespace, and preserve the white space in the middle.
> 
> Any ideas?

ws = lpeg.P'*'
sep = lpeg.P','
elem = ws^0 * lpeg.C((ws^0 * (1 - ws - sep)^1)^0) * ws^0
p = elem * (sep * elem)^0


-- Roberto