How replace this symbol "\" ?
 
local text = 'aaa\bbb'
text = text:gsub('\\','') 	-- don't work
text = text:gsub('%\\','') 	-- don't work
text = text:gsub('\','') 	-- don't work and an error in debugscript
text = text:gsub('%\','')	-- don't work and an error in debugscript