I'm not sure that we will ever find the one silver bullet. IMO, you need to choose the right tool for the job and sometimes that means leaving your favorite programming language behind for a project or two.

Speaking as an Erlang advocate it is great for communications and concurrency, but the string processing leaves a lot to be desired. It is good enough, but if you are doing text manipulation as your primary task Erlang may not be right for you ...

But if you are working on communications technologies, you really need to look into it ...