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deleted 301 characters in body

edited Aug 23, 2013 at 17:05

Ruby, 81 78 68 66

for x in ?!..?~ if/[^for xin?!.~\/\\\[^\]=$><ed]/=~x $><<x end end

Simply checks itself. Duplicate characters manually removed.

answered Aug 23, 2013 at 16:51