Re: LPeg and whitespace removal

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• Subject: Re: LPeg and whitespace removal
• From: roberto@... (Roberto Ierusalimschy)
• Date: 2007年4月12日 16:40:32 -0300

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> 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

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