Hans van der Meer schrieb am 04.12.18 um 13:29:
I am trying to extract something from a string with a \directlua call, the last word of a string in case:

\directlua{tex.print(string.match(“This is a string","%s%a$"))}

However, the %s%a are not working with the TeX-error “unfinished string near eof”. Obviously caused by the %’s. How to get this working? \textpercent will not do, off course within Luacode.

% = \letterpercent
$ = \letterdollar

You can also replace

  \directlua{tex.print(...)}

with

  \ctxlua{context(...)}

or

  \cldcontext{...}

Wolfgang
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