--amend

info.lua

@@ -293,16 +293,30 @@ function public.tooltip(setter)
 end
 
 function private.item_charges(tooltip)
-	for _, line in ipairs(tooltip) do
-        -- recipes also contain the charges tooltip for the item they teach so we have to ignore them
-        local ignore_pattern = '^Use: Teaches you how to create'
-        if strfind(line.left_text or '', ignore_pattern) or strfind(line.right_text or '', ignore_pattern) then
-            return
+    local use_entry_count = 0
+    for _, line in ipairs(tooltip) do
+        if strfind(line.left_text or '', ITEM_SPELL_TRIGGER_ONUSE) then
+            use_entry_count = use_entry_count + 1
         end
-        local pattern = '^(%d+) Charges$'
-		local _, _, left_charges_string = strfind(line.left_text or '', pattern)
-		local _, _, right_charges_string = strfind(line.right_text or '', pattern)
-		local charges = tonumber(left_charges_string) or tonumber(right_charges_string)
+        if strfind(line.right_text or '', ITEM_SPELL_TRIGGER_ONUSE) then
+            use_entry_count = use_entry_count + 1
+        end
+    end
+    if use_entry_count > 1 then -- it's presumably a recipe
+        return
+    end
+
+	for _, line in ipairs(tooltip) do
+        local pattern1 = '^'..gsub(ITEM_SPELL_CHARGES, '%%d', '(%%d)')..'$'
+        local pattern2 = '^'..gsub(ITEM_SPELL_CHARGES_P1, '%%d', '(%%d)')..'$'
+
+        local _, _, left_charges_string1 = strfind(line.left_text or '', pattern1)
+        local _, _, left_charges_string2 = strfind(line.left_text or '', pattern2)
+
+        local _, _, right_charges_string1 = strfind(line.right_text or '', pattern1)
+        local _, _, right_charges_string2 = strfind(line.right_text or '', pattern2)
+
+        local charges = tonumber(left_charges_string1) or tonumber(left_charges_string2) or tonumber(right_charges_string1) or tonumber(right_charges_string2)
 		if charges then
 			return charges
 		end

post_frame.lua

@@ -724,8 +724,8 @@ end
 function private.auctionable(item_info)
     local durability, max_durability = Aux.info.durability(item_info.tooltip)
     return Aux.static.item_info(item_info.item_id)
-            and not Aux.info.tooltip_match('soulbound', item_info.tooltip)
-            and not Aux.info.tooltip_match('conjured item', item_info.tooltip)
+            and not Aux.info.tooltip_match(ITEM_SOULBOUND, item_info.tooltip)
+            and not Aux.info.tooltip_match(ITEM_CONJURED, item_info.tooltip)
             and not item_info.lootable
             and not (durability and durability < max_durability)
 end

search_frame.lua

@@ -455,7 +455,7 @@ function public.on_load()
     local function add_modifier(...)
         local current_filter_string = private.search_box:GetText()
         for i=1,arg.n do
-            if string.sub(current_filter_string, strlen(current_filter_string), strlen(current_filter_string)) ~= '/' then
+            if current_filter_string ~= '' and string.sub(current_filter_string, strlen(current_filter_string), strlen(current_filter_string)) ~= '/' then
                 current_filter_string = current_filter_string..'/'
             end
             current_filter_string = current_filter_string..arg[i]