luigi scarso <[email protected]> a écrit: > On Mon, Jun 17, 2013 at 2:43 PM, Paul Isambert <[email protected]> wrote: > > > Hello all, > > > > This is not really a LuaTeX question, but I ask it here anyway since a > > lot of knowledgeable people read this list. > > > > I’ve been surprised to discover that > > > > print(string.gsub('abc', '.*', '(%0)')) > > > > returns > > > > (abc)() > > > > (similarly, “string.gmatch('abc', '.*')” returns two matches). I’d > > expect > > > > (abc) > > > > > > myabe this can help > > > print(string.gsub("abc","%s*","(%0)")) > ()a()b()c() 4 > > > print(string.gsub("abc","%S*","(%0)")) > (abc)() 2 > > """ > A pattern item can be > > a single character class followed by '*', which matches 0 or more > repetitions of characters in the class. These repetition items will always > match the longest possible sequence; > """
Thank you Luigi, but “*” has the same definition in other languages, including those where there is no match on a final empty string. As for your first example, all languages behave the same as far as I can tell, as expected. Best, Paul
