Language: C C++ D Haskell Lua OCaml PHP Perl Plain Text Python Ruby Scheme Tcl class String def digit_sum match_data_arr = self.scan(/[0-9]/) return 0 if !match_data_arr sum = 0 match_data_arr.each do |data| sum += data.to_i end sum end end print "ab1c2defh34ijklmn".digit_sum Private [?] Run code