Fix zone searching in commandlines

diff --git a/TomTom.lua b/TomTom.lua
index 19fd592..c3ef0dc 100755
--- a/TomTom.lua
+++ b/TomTom.lua
@@ -1170,7 +1170,7 @@ local wrongseparator = "(%d)" .. (tonumber("1.1") and "," or ".") .. "(%d)"
 local rightseparator =   "%1" .. (tonumber("1.1") and "." or ",") .. "%2"

 -- Make comparison only lowercase letters and numbers
-local function lowergsub(s) return s:lower():gsub("^[%a%d]", "") end
+local function lowergsub(s) return s:lower():gsub("[^%a%d]", "") end

 SlashCmdList["TOMTOM_WAY"] = function(msg)
     msg = msg:gsub("(%d)[%.,] (%d)", "%1 %2"):gsub(wrongseparator, rightseparator)