Low liffe, unethical, greedy email address harvesters do this
all the time, so I would bet there are a number of tools out there.
The question is, if someone wants to obfuscate their email
address in the manner you describe in order to avoid spam bots, why
would you want to go against their wishes and attempt to harvest it
anyway? If you want an email address, ask them for it. If they want
to give it to you, they will.