Lua gsub case and frontier pattern

Asked Jun 19 '14 at 16:26

Active Jun 20 '14 at 04:12

Viewed 342 times

Using Lua 5.1 and the gsub function how do I implement case sensitive/case insensitive and the frontier pattern matching option to count substrings?

 CountSubString = function(s,CtrlID)              --< s = string to count
  local t = Scintilla.GetText(CtrlID)
  if FindReplace.FindCase == 0 then               --< no case
   if FindReplace.FindWhole == 0 then             --< no whole word
    local _,count = string.gsub(t,s," ")
    return "Found "..count .." occourances of "..s 
   else                                           --< whole word
    local _,count = string.gsub(t,s," ")
    return "Found "..count .." occourances of "..s   
   end
  else                                            --< case
   if FindReplace.FindWhole == 0 then             --< no whole word
    local _,count = string.gsub(t,s," ")
    return "Found "..count .." occourances of "..s 
   else                                           --< whole word
    local _,count = string.gsub(t,s," ")
    return "Found "..count .." occourances of "..s   
   end 
  end
 end;

I've got an older post here with the frontier pattern but it's having it case/non case also.

edited May 23 '17 at 12:05

Community

asked Jun 19 '14 at 16:26

Col_Blimp

What exactly is the problem with this code? – Colonel Thirty Two Jun 19 '14 at 16:51
there is no patterns in the gsub – Col_Blimp Jun 19 '14 at 16:53
Your linked question solves the case-sensitive part of this question (in both the whole word and sub-string cases) doesn't it? I'd include that in your post because, presumably, it is the case-insensitive bits that you are trying to work out now. – Etan Reisner Jun 19 '14 at 16:55
yes but I'm at a loss how to combine the frontier with the case part when the case part is known. – Col_Blimp Jun 19 '14 at 16:58

Lua gsub case and frontier pattern

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