lua-users home
lua-l archive

[Date Prev][Date Next][Thread Prev][Thread Next] [Date Index] [Thread Index]

It was thus said that the Great albertmcchan once stated:
> lpeg.P always match at beginning of string, maybe an efficient matching anywhere function ?

  You do realize that all LPeg functions take an optional starting position.  

> Example:
> keywords = P'while' + 'repeat' + 'for'
> to search keywords anywhere efficiently, skip all bad head chars
> skip = 1 - S"wrf"    -- set of skipped chars

  Have you timed the above vs

	skip = P(1) - keywords