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daviddavis/solution_substitution.rb

Created March 3, 2012 14:51
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solution_substitution.rb
code = "__ == __ == Date.parse(date.sub(/(\d+)[-\/](\d\d).(\d{4})/,'\\3-\\1-\\2')).strftime('%b %d, %Y')"
sub = "Date.parse(date.sub(/(\d+)[-\/](\d\d).(\d{4})/,'\\3-\\1-\\2')).strftime('%b %d, %Y')"
code.gsub("__", sub) # Date.parse(date.sub(/(d+)[-/](dd).(d{4})/,'--'))...
code["__"] = sub # only fill in one at a time. fails when sub = "__method__"
code.split("__").join(sub) # ugly but seems to work
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