From 48ab0928587669ff6d5c889df8acdabfd4b29ed0 Mon Sep 17 00:00:00 2001
From: Nomarian <nomarian@outlook.com>
Date: Thu, 9 Oct 2025 10:29:15 -0400
Subject: escape_lua_pattern() is now a string pattern/repl

---
 spellcheck.lua | 28 +++++-----------------------
 1 file changed, 5 insertions(+), 23 deletions(-)

(limited to 'spellcheck.lua')

diff --git a/spellcheck.lua b/spellcheck.lua
index 84f2ef5..c1ce8bc 100644
--- a/spellcheck.lua
+++ b/spellcheck.lua
@@ -104,6 +104,11 @@ end
 -- plugin global list of ignored typos
 local ignored = {}
 
+-- escapes operators of pattern
+local escape_lua_pattern = function (s)
+  return s:gsub("[*$^().?+%%%[%]-]","%%%0")
+end
+
 -- Return an iterator over all not ignored typos and their positions in text.
 -- The returned iterator is a self contained stateful iterator function closure.
 -- Which will return the next typo and its start and finish in the text, starting by 1.
@@ -111,29 +116,6 @@ local function typo_iter(text, typos, ignored) -- luacheck: ignore ignored
   local index = 1
   local unfiltered_iterator, iter_state = typos:gmatch('(.-)\n')
 
-  -- see https://stackoverflow.com/questions/6705872/how-to-escape-a-variable-in-lua
-  local escape_lua_pattern
-  do
-    local matches = {
-      ['^'] = '%^',
-      ['$'] = '%$',
-      ['('] = '%(',
-      [')'] = '%)',
-      ['%'] = '%%',
-      ['.'] = '%.',
-      ['['] = '%[',
-      [']'] = '%]',
-      ['*'] = '%*',
-      ['+'] = '%+',
-      ['-'] = '%-',
-      ['?'] = '%?',
-    }
-
-    escape_lua_pattern = function(s)
-      return (s:gsub('.', matches))
-    end
-  end
-
   return function()
     local typo
     repeat
-- 
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