diff --git a/Gladdy.toc b/Gladdy.toc
index 5dfaf9b..9fe7adc 100644
--- a/Gladdy.toc
+++ b/Gladdy.toc
@@ -15,6 +15,7 @@ Frame.lua
 Options.lua
 Constants.lua
 ImportStrings.lua
+Util.lua
 
 Modules\Announcements.lua
 Modules\Healthbar.lua
diff --git a/Util.lua b/Util.lua
new file mode 100644
index 0000000..204e9d0
--- /dev/null
+++ b/Util.lua
@@ -0,0 +1,143 @@
+local pairs, ipairs = pairs, ipairs
+local floor = math.floor
+local str_find, str_gsub, str_sub, tinsert = string.find, string.gsub, string.sub, table.insert
+local Gladdy = LibStub("Gladdy")
+local L = Gladdy.L
+
+---------------------------
+
+-- TAGS
+
+---------------------------
+
+local tags = {
+    ["current"] = true,
+    ["max"] = true,
+    ["percent"] = true,
+    ["race"] = "race",
+    ["class"] = "class",
+    ["arena"] = true,
+    ["name"] = "name",
+    ["status"] = true,
+    ["spec"] = "spec",
+}
+
+local function str_extract(s, pattern)
+    local t = {} -- table to store the indices
+    local i, j = 0,0
+    while true do
+        i, j = str_find(s, pattern, i+1) -- find 'next' occurrence
+        if i == nil then break end
+        tinsert(t, str_sub(s, i, j))
+    end
+    return t
+end
+
+--TODO optimize this function as it's being called often!
+local function getTagText(unit, tag, current, max, status)
+    local button = Gladdy.buttons[unit]
+    if not button then
+        return
+    end
+
+    if str_find(tag, "percent") then
+        return current and max and floor(current * 100 / max) .. "%%" or ""
+    elseif str_find(tag, "current") then
+        return current or ""
+    elseif str_find(tag, "max") then
+        return max or ""
+    elseif str_find(tag, "status") then
+        if str_find(tag, "%|") and status == nil then
+            return nil
+        else
+            return status or ""
+        end
+    elseif str_find(tag, "name") then
+        return button.name or ""
+    elseif str_find(tag, "class") then
+        return button.classLoc  or ""
+    elseif str_find(tag, "race") then
+        return button.raceLoc  or ""
+    elseif str_find(tag, "arena") then
+        return str_gsub(unit, "arena", "")
+    elseif str_find(tag, "spec") then
+        if str_find(tag, "%|") and button.spec == nil then
+            return nil
+        else
+            return button.spec or ""
+        end
+    end
+end
+
+function Gladdy:SetTag(unit, tagOption, current, max, status)
+    local button = self.buttons[unit]
+    if not button then
+        return
+    end
+
+    local returnStr = tagOption
+
+    local t = str_extract(returnStr, "%[[^%[].-%]")
+    for _, tag in ipairs(t) do
+        local replace
+        if str_find(tag, "|") then -- or operator
+            local indicators = str_extract(tag, "[%[|%|]%a+[%||%]]")
+            local replaces = {}
+            for _, indicator in ipairs(indicators) do
+                tinsert(replaces, getTagText(unit, indicator, current, max, status))
+            end
+            replace = replaces[#replaces]
+        else
+            replace = getTagText(unit, tag, current, max, status)
+        end
+
+        if replace then
+            local find = str_gsub(tag, "%[", "%%[")
+            find = str_gsub(find, "%]", "%%]")
+            find = str_gsub(find, "%|", "%%|")
+            returnStr = str_gsub(returnStr, find, replace)
+        end
+    end
+    return returnStr
+end
+
+function Gladdy:GetTagOption(name, order, enabledOption, func, toggle)
+    if toggle then
+        return func({
+            type = "toggle",
+            name = name,
+            order = order,
+            width = "full",
+            desc = L["Custom Tags:\n"..
+                    "\n|cff1ac742[current]|r - Shows current\n" ..
+                    "\n|cff1ac742[max]|r - Shows max\n" ..
+                    "\n|cff1ac742[percent]|r - Shows percent\n" ..
+                    "\n|cff1ac742[name]|r - Shows name\n" ..
+                    "\n|cff1ac742[arena]|r - Shows arena number\n" ..
+                    "\n|cff1ac742[status]|r - Shows status (eg DEATH)\n" ..
+                    "\n|cff1ac742[race]|r - Shows race\n" ..
+                    "\n|cff1ac742[class]|r - Shows class\n" ..
+                    "\n|cff1ac742[spec]|r - Shows spec\n\n" ..
+                    "Can be combined with OR operator like |cff1ac742[percent|status]|r. The last valid option will be used.\n"],
+        })
+    else
+        return func({
+            type = "input",
+            name = name,
+            order = order,
+            width = "full",
+            disabled = function() return not Gladdy.db[enabledOption] end,
+            desc = L["Custom Tags:\n"..
+                    "\n|cff1ac742[current]|r - Shows current\n" ..
+                    "\n|cff1ac742[max]|r - Shows max\n" ..
+                    "\n|cff1ac742[percent]|r - Shows percent\n" ..
+                    "\n|cff1ac742[name]|r - Shows name\n" ..
+                    "\n|cff1ac742[arena]|r - Shows arena number\n" ..
+                    "\n|cff1ac742[status]|r - Shows status (eg DEATH)\n" ..
+                    "\n|cff1ac742[race]|r - Shows race\n" ..
+                    "\n|cff1ac742[class]|r - Shows class\n" ..
+                    "\n|cff1ac742[spec]|r - Shows spec\n\n" ..
+                    "Can be combined with OR operator like |cff1ac742[percent|status]|r. The last valid option will be used.\n"],
+        })
+    end
+end
\ No newline at end of file