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- Subject: Re: lpeg.U ?
- From: Dirk Laurie <dirk.laurie@...>
- Date: Fri, 26 Jan 2018 09:14:39 +0200
2018-01-26 0:19 GMT+02:00 albertmcchan <email@example.com>:
> Is there a lpeg.U(n) (for undo n characters) or something similar ?
You have two options.
#p matches what p matches, but consumes no input.
A Cg/Cb allows you to store a capture and use it later.
Actually, all the answers I could give to questions like yours are in my
lpeg-brief article on https://github.com/dlaurie/lua-notes.