Fixed offsets, and passed through an additional parameter.

data/core/doc/search.lua

@@ -33,9 +33,9 @@ function search.find(doc, line, col, text, opt)
   for line = line, #doc.lines do
     local line_text = doc.lines[line]
     if opt.regex then
-      local s, e = re:match(line_text, col, true)
+      local s, e = re:cmatch(line_text, col, true)
       if s then
-        return line, s, line, e + 1
+        return line, s, line, e
       end
       col = 1
     else

data/core/regex.lua

@@ -3,10 +3,10 @@
 -- pattern:gsub(string).
 regex.__index = function(table, key) return regex[key]; end
 
-regex.match = function(pattern_string, string)
+regex.match = function(pattern_string, string, offset)
   local pattern = type(pattern_string) == "table" and
     pattern_string or regex.compile(pattern_string)
-  return regex.cmatch(pattern, string)
+  return regex.cmatch(pattern, string, offset)
 end
 
 -- Will iterate back through any UTF-8 bytes so that we don't replace bits